tack on

Related to tack on: roughshod, come in handy, refer to, change tack

tack on

To add something on to something else. A noun or pronoun can be used between "tack" or "on." Miss, can I tack a side of bacon onto my order? If you kids keep talking, I'll tack another essay onto your homework.
See also: on, tack
Farlex Dictionary of Idioms.

tack on

v.
1. To attach something to a surface using a tack, pin, or nail: I tack my children's drawings on the kitchen door. The teacher set up a big corkboard, and each child tacked on a poem.
2. To add or append something additional: The hotel tacked on a five percent service fee. I read my essay again and tacked an introduction on.
See also: on, tack
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • add in
  • add to
  • add to (something)
  • add on
  • all right
  • a/the feel of (something)
  • a necessary evil
  • (I) wouldn't (do something) if I were you
  • a straw will show which way the wind blows
  • a crack at (someone or something)