get a pair 

An insult designed to get someone to show some courage. It is given in a direct and coarse manner, that men, but women and men too, can relate to. Also used when describing someone else.

"You need to get a pair and show that you're in charge."

Or, "you need to grow a pair."

Or, "he needs to get a pair and make a decision."

get a pair by Wayfarers January 1, 2008

get a pair 

insult to someone behaving in a wimpy, timid or particualrly cowardly manner according to the speaker. Used in the distant tense.

"That player is always away from the ball in every play - He should get a pair."

get a pair by D F Stuckey March 3, 2004

get a pair 

same as grow a pair, i.e. balls or tits

Eddie, grow up, eh ?! Get a pair to fill your nutsack.

Charlotte, grow up, eh ?! Get a pair and go titty fuck him with them.

get a pair by Jake March 5, 2004