A boy with a cute, non existant or flat bum. Usually an athletic and attractive teenage boy.

A pick me is a woman that is willing to do anything for male approval. She will embarrass or throw other women under the bus to achieve this goal. The unfortunate thing about a pick me is usually the men they are trying to seek approval from are of poor quality and treat women badly, leaving little real benefit for the pick me.

someone who is always a bum and doesn't care what they look like

the saggybums are a group of 7 people. they are all weirdos but in a good way. People should fear the saggybums, everyone should be jealous. the group started with 5, and then the other 2 have recently joined. they don't accept any more members.