As a mug

(adj) A phrase used to strongly describe something.

"School lunch today lowkey good as a mug."
"Why it hot as a mug out here?"
"You look pretty as a mug."
"Jit ugly as a mug."

As a mug

(Adj) A term used to strongly describe something.

"The school lunch today lowkey good as a mug."
"It's hot as a mug out here."
"You look pretty as a mug."
"Blud ugly as a mug."

Guy pretty

When a girl is seen as being pretty or beautiful in a guys eyes. Whereas girl pretty is when a girl can be considered really pretty by other girls but guys do not find her attractive. A girl can be both, but often if she refers to herself as girl pretty it’s usually because guys do not find her attractive even though she is in other girls opinions.

“Did you see Jenna wore ribbons in her hair today?”

“She’s so girl pretty, guys don’t like that shit.”

“Really? I’ve always thought she was guy pretty.”