Procure por qualquer palavra, como blumpkin:
 
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 Maio 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 Fevereiro 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 Janeiro de 2008