Top Definition
The act of recieving a blumpkin whilst confined to a wheelchair. If the guy happens to be getting a knobber, whilst he shits into his plastic bag, this will be a mobile blumpkin.
Wheelchair Guy: Hey! I was getting a knobber whilst shitting into my bag!
Guy: NO, that's a mobile blumpkin.
by Justin P. McMulan November 12, 2006
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