verb (used with object) Slang.
QUIZ YOURSELF ON AFFECT VS. EFFECT!
OTHER WORDS FROM sucker-punchsucker punch, noun
British Dictionary definitions for sucker-punch
Idioms and Phrases with sucker-punch
An unexpected blow, as in They felt that suddenly raising the interest rate was a sucker punch to the administration. This expression comes from boxing, where it is used for a punch delivered unexpectedly; boxing great Jack Dempsey wrote, “The right lead [for a right-handed boxer] is called a sucker punch.” [Slang; mid-1900s]