Top Definition
When you wake up in the middle of the night and realize that your period blood has flown from your vagina past your taint to the butt crack, and in some cases to your ball sack.. no tanpon or pad can control it.
My friend Dava had a terrible case of the Blood butt
by AgkDncSls April 14, 2010
When you fuck someone so hard up the ass their ass hole is bloody.
"I heard Sherry got some blood butt yesterday!'
by n-bomb January 17, 2015
a gay person who likes it up the bum.
"jay jay is a blood butt"
by cody November 29, 2003
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