a fat squished butt crack shown when someone is bent over or sitting down with their shirt a little over the area
person 1: *sitting quietly in class*
*TROLL FACE!!**taps his friends shoulder*
person 1: LOOK AT THAT PLUMBERS BUTT!:0
person 2: OH BABY JESUS!!MY EYES!!
plumbers butt: *puts shirts down*
by el ingeniero May 15, 2013
Top Definition
when a man bends over and his butt crack hangs out
look at dad he has plumbers butt
by boomer2 July 28, 2003
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