Cock locked

When I guy's dick goes soft while having sex & he is unable to get it back up again

We tried for hours to have sex but he stayed cock locked.

Academic Lock-in

To lock in by making assignments without missing any at all and passing tests.

“Last semester I was almost about to fail half my classes. I gotta pull an Academic Lock-in this semester”

Barrel Locked

To be locked to a proverbial barrel, such as 'bent over a barrel' with no feasible means of escape.

A buddy of mine is barrel locked (bent over a barrel) with a vendor at work. He can't get anything done cause the vendors solution doesn't work, and management won't allow him to replace the vendor.

ima lock

to keep your word to do something

girl: you promise you gone come see me

boy: ima lock to pull up on you mane