mar

make or break

1. verb To cause either to succeed or to fail; to cause either a positive or negative outcome. When you're young, you often think that big obstacles will either make or break you, but as you get older you realize that it's not that simple. One kick can make or break their season.
2. adjective Describing such a scenario. In this usage, the phrase is usually hyphenated. This shot is make-or-break for the home team.
See also: break, make

mar up

To scuff, scratch, dent, or otherwise ruin the smooth surface of something. A noun or pronoun can be used between "mar" and "up." You're going to mar up your screen if you carry your phone around in your pocket without a protective cover of some kind. Look at my brand new car! Someone scraped along the side and totally marred it up!
See also: mar, up
Farlex Dictionary of Idioms.

make or break someone

[of a task, job, career choice] to bring success to or improve, or ruin, someone. The army will either make or break him. It's a tough assignment, and it will either make or break her.
See also: break, make

mar something up

to dent or scratch something; to harm the smooth finish of something. Please don't mar the furniture up. Don't mar up my desk.
See also: mar, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

make or break

Cause either total success or total ruin, as in This assignment will make or break her as a reporter. This rhyming expression, first recorded in Charles Dickens's Barnaby Rudge (1840), has largely replaced the much older (16th-century) alliterative synonym make or mar, at least in America.
See also: break, make
The American Heritage® Dictionary of Idioms by Christine Ammer.

make or break

be the factor which decides whether something will succeed or fail.
A variant of this phrase, found chiefly in British English, is make or mar . The use of make together with mar is recorded from the early 15th century, but since the mid 19th century break has become more common.
1998 Your Garden Neighbours can make or break a home and there's certainly no keeping up with the Jones's mentality here.
See also: break, make
Farlex Partner Idioms Dictionary

ˌmake or ˈbreak

(informal) the thing which decides whether something succeeds or fails: This movie is make or break for the production company. This is a make-or-break year for us.
See also: break, make
Farlex Partner Idioms Dictionary
See also:
  • make or break
  • make or break, to
  • have no cause to (do something)
  • have cause to (do something)
  • have cause to do
  • mess with (one's) head
  • mess with someone's head
  • cause trouble
  • bring (something) crashing down (around) (one)
  • bring crashing down
References in periodicals archive
Mar Roxas as DILG secretary did not stand up for the dignity of his office and of the SAF44 after the Mamasapano carnage.
LEAMINGTON ASSEMBLY Feb 21: Richard Hawley, Mar 8: The Straits, Mar 11: The Stranglers, Mar 12: Gretchen Peters, Mar 15: Showaddywaddy, Apr 12: Skid Row, Apr 18: Saxon, Apr 20: Chas and Dave, May 2: Pendragon.
Mar. 16-17: Alberta FASD Conference: Calgary; mailtfasd@gov.ab.ca
Pado of Sacramento, Calif., effective Mar. 7, 2003.
Liverpool: Mar 6 Newcastle (h), Mar 16 Middlesbrough (a), Mar 24 Chelsea (h), Mar 30 Charlton (h), Apr 1 Everton (a), Apr 7 Blackburn (h), Apr 13 Sunderland (a), Apr 20 Derby (h), Apr 27 Tottenham (a), May 11 Ipswich (h).
MAR. 6-8: California Pistachio Industry Annual Convention, Monterey, Calif.
Lichfield Street 01902 429212: Agatha Christie's The Unexpected Guest (Feb 26-Mar 3); Thoroughly Modern Millie (Mar 6-Mar 10).
Mar. 8-12: Learn Crucial Verbal Intervention Skills and Prevent Crisis Situations.
United Kingdom 0.54 0.67 42.2 Mar '04 38.3 3.1 Mar '04
Mar. 14 - May 18 Galerie Natalie Obadia, Paris, Eliezer Sonnenschein
Arsenal: Tomorrow Southampton (h), Feb 10 Everton (a), Feb 23 Fulham (h), Mar 2 Newcastle (a), Mar 5 Derby (h), Mar 17 Aston Villa (a), Mar 23 West Ham (h), Mar 30 Sunderland (h), Apr 1 Charlton (a), Apr 6 Tottenham (h), Apr 13 Man Utd (a), Apr 20 Ipswich (h), Apr 27 Bolton (a), May 11 Everton (h).
THEATRE Macbeth The Epstein Theatre, Hanover Street, Liverpool, 0844 888 4411 - to Sat, 16 Mar Brick Up 2 - The Wrath of Ann Twacky Royal Court, Roe Street, Liverpool, 0151 709 4321 - to Sat, 6 Apr The Girl on The Train Playhouse Theatre, Williamson Square, Liverpool, 0151 709 4776 - to Sat, 16 Mar Fame: The Musical Empire Theatre, Lime Street, Liverpool, 0844 871 3017 - to Sat, 16 Mar Frankenstein The Little Theatre, Hoghton Street, Southport PR9 0PA - to Sat, 16 Mar Glory Unity Theatre, Hope Place, Liverpool, 0151 709 4988 - to Sat, 16 Mar Murder Mystery from the Bentley Social Committee The Spy Who Came in From the Damp - tickets PS5 each, from members of the society, or pay at the door.
BALTIC 39, NEWCASTLE High Bridge Madhusudhanann And Pallavi Paul: Mar 11-27, Tue-Sun 12noon-6pm, Thu 12noon-8pm BALTIC, GATESHEAD South Shore Road (0191 478 1810) Alice Theobald And Atomik Architecture: Mon, Wed-Sun 10am-6pm, Tue 10.30am-6pm, ends Apr 10 Hajra Waheed: The Cyphers: Mon-Sun 10am-6pm, ends May 30 CITY LIBRARY & ARTS CENTRE, SUNDERLAND Fawcett Street (0191 514 1235) Eric Bainbridge: Potholes: Mon-Tue, Thu-Fri 9.30am-5pm, Wed 9.30am-7pm, Sat 10am-4pm GALLAGHER & TURNER, NEWCASTLE St.
Chertoff said distributing the cost of such a system is a "fairly complicated economic question." Mar 31, 2006
Hurst Street 0870 730 1234: Welsh National Opera presents The Flying Dutchman (Mar 17)' Welsh National Opera presents The Marriage of Figaro (Mar 18)' Edward Scissorhands (Mar 21-25).