Suit up simply means 'grow a pair and let's go'. Throwing a suit on doesn't hurt either.
Barney: Ted we're going out tonight.
Ted: Nah, I'm going to stay in and be a lame ass.
Barney: Ted, we're going out tonight. Suit up!
Ted: But...
Barney: Suit up!!!
Ted: Okay
22👍 18👎