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The last sip remaining out of a beer bottle. This substance is often mistaken for beer, but usually consisits of 99% saliva.
Kyle - "Hey, would like the last sip out of my beer Brad?"
Brad - "Heck no! I don't want your splirt!"
by Ro-Miller December 11, 2012
To Leave
Ah Shit, the police...i'm about to splirt still.
by Dave Fashanu April 12, 2004