When you get hit in the genital area and it feels like your testicles are locked inside your stomach
Friend 1: Hey man are you alright?
Friend 2: Yea, Gary punched me in the balls and now I have stum lock
to go and hit a lick, but the weapon of choice is a pistol of the brand Glock
"ayo bro we 'bout to G lock! pass me my strap!"
When a girl has you so sprung that you only talk to her and have sex with her alone.
I'm only talking to Kelly, she's locking the dick down.
To be concentrated on something and not worried about nothing else.
When two people are of same mind and almost identical in behavior
Darion and Zion always say the same thing. They are very locked in.