The burning sensation felt after being anally fisted by a person with sharp fingernails. Also possible if a foot, also with sharp nails, has been inserted in anger.
"Like, oh my god, I've totally got a case of backyard bonfire!"
"You totally lit a backyard bonfire last night."
"You totally lit a backyard bonfire last night."
by wingzfan99 October 18, 2008
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