"keepin someone on lock"
Boy2: naa man couldnt of been her.I have her on lock
girl 1:Im goin out
girl 2:where u goin
girl 1:somewhere y?
girl 2:where eva u go ill find ya
girl 1: naa u wont
girl 2: yes i will i got i orn lock
2. To have specific knowledge.
3. (In combat parlance) To acquire a target to be fired upon.
2. "Yo, Bobby's got a lock on a kickin’ party 'round the corner; Let's roll!"
3. "I've got a six strobe. I think he's locked on us." –Goose in the motion picture "Top Gun" when an enemy fighter-jet’s missile targeting system zeros in for a kill shot.