To exert yourself to the point of giving yourself a hernia. More specifically intended towards males, in reference to their manhood...
That box is heavy, I might blow an onion if I help you move it!
Someone who screws up the simplest of tasks out of selfishness or ignorance, and ruins a good time for everyone.
That asshole Charles is such an onion peel. All he had to do was follow us to the party and he ended up knocking on the next door neighbors house in the middle of the night. The cops got called and kicked us all out.
To make a promise to do something and then refuse out of a claim of complications or disagreement that never happens.
"He's not onioning his way out of the interview."
An Oklahoma Onion Burger is when you eat out your fat sister's stinky pussy.
I can smell the Oklahoma Onion Burger on that guy.
Onion moment is like a woman moment but worse!
That’s an onion moment bro!