kneebuckle 

Some Head so good that is literally makes your knee's shake.

That girl sheeb gave me some great kneebuckle, i almost collapsed.

kneebuckle by BasedGodisGoat October 22, 2014

kerbuckle 

It's when you're in a middle of a bad situation that makes you ponder how to fix the problems you are facing

Oh no!! winnie had made the situation so dire, we are in a kerbuckle

kerbuckle by byzzzzzzz December 5, 2021