Only to be stated at the very end of a phonecall between to pals that are in no way sexually aroused by eachother's masculinaty. Just friends ...very, very good friends.
Male replacement of "I love you" shared between girlies at the end of a natter.
Friend 1: "alright mate, I'll come to your gaff about 4ish"
Friend 2: "sweet fam', catch you in abit?"
Friend 1: "safe geez ...in the bum"
Friend 2: "in the bum"
1) To festoon one's testicles with colored lights, evergreen garlands, and tiny Christmas ornaments
2) To punch Santa Claus in the nuts for shortchanging you last Christmas
1) I wanted to make my girlfriend feel merry in the bedroom this Christmas so I decided to deck the balls.
2) In spite of being a good boy, Santa gave me nothing but a pack of underwear last Christmas, so this year I'm gonna wait in ambush in front of the fireplace so that I can deck the balls.