Solid Amigo

This is the highest social class. Solid amigos are genuine and epic people who value integrity and want to have a good time, all the time. They are chill and laid back, and don't take things to the heart.

Person A: Yo you know the new guy in my class?
Person B: Yeah! What about him?
Person A: He is a solid amigo.

Platonic Solid

A boner you get from a person who has friendzoned you.

I thought I had gotten over Catherine, but my platonic solid proved otherwise.

Solid Bloke

A person (specifically a guy) who is very friendly and sound. Usually used in UK and Irish slang

Nolo gave me a fiver, he’s a solid bloke

Signed and solid

The act of writing your full name with firm chunks of excrement on the body of a spouse, lover, or stranger.

I couldn't stand Two Girls One Cup because it was so messy, it would have been better if they were Signed and solid.

Solid 10

A sure score of something, it won't be changed anytime soon

A: Have you drank that Costa Caramel latte?

B: For sure. It's a solid 10, definitely.

Solid mf

An individual, male or female, who is honest, straight up, trust worthy, and dependable. A person of such characteristics, or smiliar ones, will never make you question their dependability and will never leave you in doubt. A solid mfer are good business partners.

I don't ever have to worry when dealing with him/her, cause that's one straight up solid mf

Solid Snake

Dummy thicc sneaking man

hrngh colonel, im Solid Snake. Big fat ass