give someone five

give me/gimme (a) five

A request to give the speaker a "(high) five," that is, to slap their (usually) raised hand with one's own, as in a show of congratulation or celebration. "Five" refers to the hand's five fingers. "Gimme" is a colloquial form of "give me." I hear you aced your final exams! Give me five! Gimme give, kiddo!
See also: five, gimme, give
Farlex Dictionary of Idioms.

give someone five

slap someone's palm as a gesture of celebration or greeting. informal, chiefly North American
Five refers to the five fingers of the hand.
See also: five, give, someone
Farlex Partner Idioms Dictionary

give someone five

1. tv. to give someone a helping hand. I gotta give this guy five with the crate. Be right with you.
2. tv. to slap hands in greeting. (see also high five, Give me five!.) Jerry gave John five as they passed in the corridor.
See also: five, give, someone
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • give me five!
  • give me/gimme (a) five
  • give somebody five
  • slap (one) five
  • go nap
  • take five
  • five will get you ten
  • hang five
  • Slip me five!
  • 5-O
References in periodicals archive
"It's only really then that we could give someone five years to undo all the damage that has been done.
War hero Dan's wary of leading the rebel fight; EXCLUSIVE
Give someone five years and too much money and they'll lose their appetite." Hunger is something Warburton has in abundance.
Nowt wrong with being a bank manager SAYS MARK WARBURTON
IF YOU had to give someone five pieces of advice, I wonder what they might be.
THOUGHT for the DAY