big doyol

1 (as a noun): a deflated volleyball that is worn as a hat.

2 (as a verb): to big doyol is to yeet a big doyol at someone, preferrably at the victim's head.

1:
Guy A: woah what's that hat you're wearing???
Guy B: that' s not a hat, that's my BIG DOYOL!!!

2:
Guy A: i just big doyoled someone, they didn't see it coming.
Guy B: ok, that's cool and all, but this is a taco bell.