What is Butrobics?
1.
Excercise for your bottom. Often done by walking long distances and going all day while clenching your Bumb cheeks.
The effect is, (after extensive butrobic programmes and devotion) a rock hard ass.
Jack: Fresh from 2 hours of BUTROBICS, i give you, MY ASS!
(Moonie)
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1.
Usually occurs after waking up or otherwise not in full control of your faculties.
A man sits on the toilet to take a crapbut not payin..