Definitions by Wayfarers

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