damoi's definitions
The rear end of a public transit bus which sticks out into traffic when it stops for passengers, thus rendering cars unable to pass.
"I hate driving in that lane, you get bus butt the whole way!"
"I am going to miss the next light because of this bus butt"
"I am going to miss the next light because of this bus butt"
by damoi September 2, 2009
Get the Bus Buttmug.