Device used by protesters to secure themselves to an imobable object and so prevent their removal.
Common examples include a section of drain-pipe with an iron bar through the centre set in concrete.
by bryn July 22, 2003
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 17, 2018
We are taking a one hour twitter/blackberry break. lock in!!!

Get locked in!!!
by NicLydon April 9, 2009
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
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
1 To have a situation under control 2 A person who is obsessive over another 3 A person currently taken
Damn foo, I got that girl on lock!
by sweetsmile4o8 June 29, 2003