(vulgar) To envelop one's penis with an organically derived irritant (e.g.: hot sauce) and engage in anal coitus.
I'm gonna give you such a flaming anus, you're gonna beg hell to lube your hiney!
to pour hot sauce all over your dick and fuck a girl in the ass with it, afterwards, she licks everything off
Man, I gave her such a good flaming anus last night, she had to stop 1/2 way thru to cool it off!
One of the coolest things to say when you and your friends are bored to hell and they don't expect it.
Dude 1: Man! flaming anus spontaniously combusting and bursting into flames as he jumped off the cliff!
Dude 2: Cool!
Dude 3: Awesome!