Solid

[Little_Girl]

Can be used to describe a favor done for someone.

[Jessica]

something you might say in confirmation, or congratulations to someone who either did something tight, or when you are on the same wavelength.

[Couch Potatoe]

Used to describe something or someone as being superior, or excellent.

So superior that it is incapable of being changed from its level of greatness, hence solid

Like a solid foundation, what is being described as solid is so excellent that it cannot be made less awesome.

[Hina Muqadas]

cool, awesome

[Tanya Shivari]

A state of being okay or chill.

[Jessica]

to say some is strong or hard

[Tanya Shivari]

A word meening cool or awesome.

[Luis Fok]

Firm and stable in shape; not liquid or fluid.

[Rihanna]

someone that [stays] by your [side] and never [folds] no matter what