Top Definition
Female version of the British "Builder's Bum", when a beautiful woman in hipsters crouches forward, accidently/deliberately showing her anal cleft. Similar to "Whale Tail", but irrespective of wearing a thong or g-string.
Look at that Babe's Bum.
by Pete Procastinator May 23, 2008

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug