A blowlunch is a person who vomits. It also can be a perjorative implying the only thing the subject can do is vomit.
by Le Grande Raoul January 08, 2011
"Anticipating fellating his massive hog, she rolled back his foreskin and exclaimed, "Oh, shit! You're gross! No head for you, bucko. Fromundabutta!"
by Le Grande Raoul March 06, 2008