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1.
The process of being rubbed up against by someone sweaty due to overcrowding at a bar, club, etc. Typically results in the victim being severely grossed out and either gracing the offender with a dirty look or trying to avoid looking at them for fear of being further traumatized.
That gross dude over there just totally sweatfucked me; it's like Disney World in July in here.
by megme July 05, 2011