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2 definitions by gilly54

when a girls underwear shows because her pants are too low therefore forming the shape of a whale tail on her behind
Dude check out that whale tail
автор: gilly54 24 апреля 2006
An abbreviation of "For Some Reason"
Fred: My computer shut down by itself fsr
Todd: fsr?
Fred: For some reason
автор: gilly54 28 октября 2007