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to be giving head to someone
"u pipin?" said by the infamous matt
lol ashley!
by jose January 19, 2005
The gentle sound of an elephant being fisted by one's mother. Available on CD from all good Petrol Stations
Darwin: What is that strangely addictive sound from behind those bushes, hairy native?
Hairy Native: Its them feckin Elephant's pipin
by Cobs July 16, 2003