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An informal, unofficial baseball statistic for closers. Stands for Save, but Made Us Really Fucking Nervous.

This happens when the closing pitcher is put in during a save situation but allows the tying run to get on base before finally earning the save.
"Did Hanrahan get the save last night?"
"Yeah, but it was a SMURFN."
by ksek September 10, 2013
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May 11 Word of the Day
A euphemism for “kill me” now that composting oneself after one’s death has become popular.
All right, why don’t you just compost me?
by Dr Bunnygirl March 22, 2020
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