Meaning: consent reluctantly/give in (example)
Rewrite 1: fold to the uppercut
Rewrite 2: give in to the grimmace
Rewrite 3: cave to the nipple pinch
Rewrite 4: succumb to sarcasm
Rewrite 5: fall to a twisted plot
Comment: Faced with a set of knucles clenched under your chin, you might reluctantly bow to someone's demand. I've rewritten this idiom in that vein, then taken it in some "other" directions for fun.
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