The act of hooking chains on the backs of two trucks or cars, then driving in opposite directions to see which truck is more powerful. Occurs often in the boondocks in the south, done to pass time.
by jtibbetts2 October 21, 2009

By making the "rock" (see: rawk) hand signal, and screaming out "ROCK LOCK!!!111!!!!", one intertwines the opposite fingers and binds them with the other really fuckin' cool person's hand.
by Fagbot and jessor December 27, 2003

(action) when somebody with large hands shoves their thumb into a males asshole and then using their large hand punching the balls with the remaining knuckles. Pop because the person pops the males asshole and lock because you lock in the fact that they will be scarred for life
Albert got the Pop and lock at the party last night, he lost his anal virginity and suffered testicular damage.
by MC GapingButthole February 5, 2014

by jose leland November 23, 2003

When a girl is sucking your cock, you grab the back of her head, pulling her close while sticking two fingers up her nose...
by princedick September 25, 2009

when one tells their friend a secret, and said secret teller wants to keep it between those two. Secret teller tells secret reciever to "lock it up"
by Chris Alfrey December 6, 2006

When a female intentionally gets pregnant by her boyfriend, or a guy she's interested in to make sure that the guy is a part of her life forever, usually via marriage.
After David proposed, Nicole was bragging that they were only dating three months by the time she lock and loaded him.
by ParanoidPatsy June 10, 2009
