1.When the cheeks of your butt are sore after riding your bike too long
2. When some asshole charliehorses your asscheek.
"Aww, dude, that guy just gave me one helluva butt bruise."
by Bruised Ass July 2, 2008
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when you get a bruise on your butt form anal.
man 1: hey bro is your butt bruised? man 2: ummm No!!!! man1: well your boyfriend has good aim.
by mandingle dime shaboficus October 7, 2010
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