Top Definition
SIP-W stands for : Self Inflicted Penis Wedgie
When a man gets an erection and his penis pulls his boxers or underwear up his asscrack and thus he has a wedgie and is put into extreme discomfort.
Damn i got a SIP-W from looking at that hot chick
by nayr628 June 20, 2006
5 Words related to SIP-W

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