Basically the same as "hold her down" to have her back, protect her, be there for her etc..
When I find that girl, I'll lock her down, I swear that girl, will be the only one for me.
by JT PRoDucT January 1, 2018
to date someone (what madi needs to do to emmanuel) also used in emojis as ๐Ÿ”’๐Ÿ™‹๐Ÿป โ™‚๏ธ๐Ÿ‘‡๐Ÿพ
madi, you and emmanuel need to stop playing, you need to lock him down (๐Ÿ”’๐Ÿ™‹๐Ÿป โ™‚๏ธ๐Ÿ‘‡๐Ÿพ)
by ifallformoonjunhui October 18, 2022
To take control of situation. To get in charge of something.
Lock That Shit Down can be used to describe taking control of the situation with your woman. "Son, you need to lock that shit down, pronto"
by Bill Clinton's Wingman December 2, 2008
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.
by 85powder November 15, 2017
to make someone your boyfriend/girlfriend. make them loyal to you
person 1 : โ€œyo guess what he just texted meโ€
person 2 : โ€œ i dunno. what?โ€
person 1 : โ€œhe said โ€œi miss you so much. call me when you get home luv๐Ÿซถ๐Ÿฝโ€

person 2 : โ€œthatโ€™s cute. you gon lock him down?โ€

person 1 : โ€œobviously.โ€
by pnutbutterbaby December 12, 2022
Simple explanation to questions asked since the COVID-19 out break
Q: Why are you still in bed?
A: Lock down bro

Q: Why you not calling me anymore?

A: Lock down bro (also acceptable when responding to your girlfriend)

Q: You still on your Xbox?
A: Lock down bro
by Boux April 26, 2020