1 definition by JoeG86
When something is so suspenseful, tense, or exciting that you clench both butt cheeks together the whole time. ie sports game, movie, tv show
Did you see that Bills/Chiefs playoff game last night? What a cheek clincher!
I watched Avenger Endgame today, it was a real cheek clincher!
I watched Avenger Endgame today, it was a real cheek clincher!
by JoeG86 May 5, 2022