The look on somebody's face that let's you know that they are upset with something you've said or done, that they are in fact - "booty hurt".

Solarpunk is a movement focused on a positive, ecological vision for a future where technology is used for human-centric and ecocentric purposes. It is a literary, artistic and aesthetic sub-genre and is also closely tied to eco-political activism. Solarpunk narratives have a distinctly positive and utopian foundation in contrast to the often dystopian visions found within other "punk" science fiction genres.

the face a guy makes when it occurs to him that he is about to score some booty by the end of the night. one of the cuter faces a guy makes.

Someone who is annoying or is acting rude or stupid.

Having no facial hair at all; clean shaven. Not a recommended look for people with big lips.

someone who has enormously chubby cheeks

Bootyface is a very serious insult. I recommend only using it if you really want to offend someone.