sarcastic comment, insult; implies "grow a set of breasts" or "grow a set of balls";hurled at someone past puberty but implies they have not grown intellectually or physically
Garth, grow a set or get lost, this is a man's game.

Sarah, grow a set, either take off your clothes or go home.
by Jake March 2, 2004
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To "man up" and grow some testicles. (Not Literally)
Lyrics from Jay-Z's Death of Auto-Tune song...

"Put your skirt back down. Grow a set, men!"
by verysickman33 July 13, 2009
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