Put The Dick Away.

1. Used when a guy is boasting or is too full of himself, to tell him he needs to get real and be more modest.

2. Used when a guy is too horny, to tell him he needs to cool down and stop thinking about sex. Cf. "take a cold shower".

(1)

I could pick up in 5 seconds every chick in the club!

Dude, put the dick away. That's too much!

(2)

Boy: You look so sexy tonight, wanna follow me to the restroom?

Girl: Put your dick away, you're sicko!