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The mixture of lubricant, semen and feces that accumulates on the penis after anal activity.
Joe: Dude, Tammy let me stick it in her ass last night!

Josh: Really? That's awesome!

Joe: Well, sort of, she had hot wings for lunch, so the velch burned my dick for hours afterward
by chalupafish July 31, 2013
4 2
To vomit while attempting to belch and then, due to laughter, expel the vomit through the nasal passage causing an intense burning sensation. Synonym: blurp.
Come on Claire. Just because Jim's brother velched during his best man speech doesn't mean the whole wedding was ruined.
by Jest Magazine March 20, 2005
3 17