latchet is a word that can be used to define or describe anything that is a compartment or can be used for storage... so it pretty much can mean just about anything...
John: Mike, you still trying to fuck Evie even though she got a boyfriend now?
Mike: Bro I don't give a shit if that hoe latched up, I'll die trying!
John: Oath!
A bachelorlooking to latch onto a female to be his wife. Latchelors are often in the final stages of bachelorhood.
Bro #1: I'm gonna get my smoke. My stock is rising, and I'm over dating. I'm ready to latch onto a female.
Bro #2: Bro, you're now a latchelor. Congrats.
A Latcher is someone who "latches" onto you and forms an unhealthy attachment towards you OR sucks you dry physically and emotionally. They then proceed to move on , meanwhile you're left mentally exhausted.
"Gurrrl..JUSTIN was *such* a latcher!! Dodged a bullet on that one!"
"Quit bitching about your problems to me. I got my own to deal with. Quit being a latcher!"
An in-law who has few, no or strained relationships within their own family but gives you advice and direction then builds alliances and bonds with your kin where you feel like an outsider.