1 definition by ShIrLeY d

Someone belonging to the Young People's Socialist League. YPSL for short therefore if you pronounce YPSL it sounds like Yipsel. So then a yipsel is a socialist under the age of 30.
Dear Comrades,

All yipsels to attend local anti-war protest!!! Stop military recruitment in your area!!!
by ShIrLeY d September 5, 2005
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