clownin

when a person, (usually a male) acts and behaves like a clown, silly. makes stupid decisions, and risks his life over thots. often doesn't care about the outcome. He may have just wanted a laugh out of it.

Bro1: Hey bro look what i messaged Julia
shows text message: "hey julia you are cute we should hang out"
Bro2: nah bro you clownin!

or

Bro1 see's hot chick
Bro1: I'm bout to clown on this one