Kilf

A sexually attractive older person of any gender identity.

Me: you see old Betty over there
Friend: yeah, they're a total Kilf

Nilf

A fictional character who is super attractive, a fictional character you would fuck all day.

Example:
Me: Harry Potter is so hot
Friend: yeah, he's a Nilf

Vimp

A a sexually attractive person, a beautiful person you would destroy/ get destroyed by all day in bed.

Friend: Kate over there is so hot
Me: yeah she's a total vimp

Simp

You

Your a simp, yes you