D defs.my
Entry 2 senses · 2 variants Webster, 1913

Whack off

· Whack· off · IPA
01 v. t. to sever with a blow; to cut off.
  1. 1.
    to sever with a blow; to cut off.
02 v. i. to masturbate.
  1. 1.
    to masturbate.[Vulgar]