Top Definition
used to mean "don't do anything stupid you might regret."

usually referring to someone about to commit suicide.
She knew he had been having a tough week, and could think of nothing to do but beg him to stay sperk.
by noelle!@#$%^&* July 11, 2005
People use the word sperk to say that they are smoking weed.
I sperked all bud over the weekend.
by Justlaxn7 November 28, 2007
Pronoun: a person characterized by pretending to be a sexual predator. (Posing Sex Jerk)
He is the sperk running from the girl that is chasing him.
by Charmin2929 July 03, 2010
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