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".

Marginalized Orientations, Gender identities, And Intersex. it’s meant to be an all inclusive umbrella term for asexuals, homosexuals, multisexuals, trans people, and intersex people. Alternative to LGBTQIAP+
Alternative to MOGII, easier to pronounce.

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.