Top Definition
One who is afraid of doing what it takes to get the job done. In relation to giving a male oral sex and running to the sink instead of swallowing.
My friend is such a sink-runner, he wouldn't come downtown and pick me up when my car broke down.
#sink #swallow #oral #runner #spit
by dr.js August 24, 2006
5 Words related to sink-runner
One who, after performing fellatio, runs to the sink to spit.
Dude I thought the chick was cool when she starting slobbin my knob but it turned out she was a dirty rotten sinkrunner.
#sink runner #blow job #head #brain #cocksucker
by poonatic June 01, 2006
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