vanilla nut tap
Fictional confectionery offering at Dunkin' Donuts, used to trick your 'friend' into getting punched in the nuts. First widespread use noted in a 2016 SNL parody advertisement.
Friend 1: "Tell them what your favorite donut is -- the vanilla nut taps."
Friend 2: "Huh?"
Friend 1: punches friend 2 in the testicles "Vanilla nut taps!"
Friend 2: "Huh?"
Friend 1: punches friend 2 in the testicles "Vanilla nut taps!"