On Lock

means when a boy or girl is soo in love they'd do absolutely anything and everything for a certain someone. Can also be called "Sprung"

"that girl's got him On Lock, he never comes out these days because he's always with her"
"that girl's got him Sprung, all he ever talks about is her"

by ChloeCampbell October 28, 2009

Locked In

A promise to your self or someone about being loyal.

We locked in for life !

by dapettyprincess April 13, 2020

Locked in

When you’re committed to one person in a relationship, and won’t let anyone else or anything tear the two of you apart. Only the two in the relationship has the key.

Cardi B and Offset are locked in now; he proposed to her!

by LulKnowItAll February 16, 2018

Locked In

Get Extra Extra focused on your dream

We are taking a one hour twitter/blackberry break. lock in!!!

Get locked in!!!

by NicLydon April 9, 2009

Lock in

To ready and prepare yourself

“I’m going to lock in for the frat house birthday!”

by tp219 June 7, 2021

lock

A persons long beautiful silky hair usually it can be used as a sexual stimulant!

As Chad was fucking Keirsten from behind her sexy blonde locks brushed his face and made his boner harder and harder!

by SlopNChop May 17, 2016

Locke

A character from the 1994 role playing game Final Fantasy VI who is famous for being a dick.

Celes: You keep your dead girlfriend in some old dude's basement? Gross.
Locke: I'll protect you!
Terra: I thought you said you would protect me, asshole.

by pocketseizure November 9, 2012