buscar cualquier palabra, como half chub:
 
1.
When you find out that a girl/guy you are dating is into something really cool and unexpected so you must make them your gf/bf.
Guy 1: "So this girl I scored wants to go see Iron Man 2 and go shooting!"

Guy 2: "Dude!! Lock it down!!"
Por RedandGreen 02 de mayo de 2010
 
2.
to finalize a decision or plan
Let's make sure Greg's cool with tonight before we lock it down.
Por lottanyx 11 de febrero de 2010
 
3.
Shut the fuck up and calm the fuck down, please.

Traditionally used on a film set, but also useful for stopping multiple friends, lovers, and strangers from doing stupid, often alcohol-induced things.
"Hey, give me five dollars and we'll grab that mannequin's titties."

"LOCK IT DOWN."
Por ABlair 13 de enero de 2008