grow a sack

Sack refers to the male scrotum in this case. Synonym for "grow some balls" and other similar terms. Meaning: to accumulate or develop the courage or resolve to face a given situation.

"So you like her? Grow a sack and ask her out!"

"That's ALL you get paid!? Grow a sack and tell your boss you need a raise!!"

by Bleeorg December 23, 2003

grow some sack

Toughen up, grow up, become more "manly"

Grow some sack, man. Pick out your own clothes and wear whatever the hell you want to!

by bcamero November 12, 2007

Why don't you grow a sack and do it, Laddie?

A phrase spoken with an Irish or Scottish accent, meaning, be a man and get it done.

Guy1: I don't think i can do it.

Irishman: Why don't you grow a sack and do it, Laddie?

by Swagger-2094 July 21, 2011