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.
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.
by nayr628 June 21, 2006