Top Definition
abrev. of Stop Or I'll Wet My Pants
mossyman: ...nd den we dumpd da body in da river
Cowhart: OMG SIWMP u basstard!!!!!!
by ANI1001 August 30, 2008
1 more definition
abbrevi8on of Stop I'll Wet My Pants
Danicnkangi: so we threw it in da lake nd 4got bout it
Trinklebell: siwmp!!!!
by ani1001 August 17, 2008

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