one two punch

listen to the pronunciation of one two punch
English - Turkish
bir-iki yumruk
English - English
A rapid sequence of two things that has a quick effect
A combination of two punches, one from each hand, thrown in rapid succession
a combination of two quick blows in rapid succession in boxing especially; a left jab followed at once by a hard blow with the right hand
(or one-two) two forces combining to produce a marked effect