What is selflish?

An action that someone does completely with their own self-interest in mind, but they try to convince you they did it your benefit.

"Hey I know you need to start your diet so I ate all your junk food."
"Wow... very selflish of you."

selflish - meme gif

To do something selfless for selfish reasons.

John is so selflish, the only reason he helps out at the soup kitchen is because he wants to get in Jane's pants.