Definitions

1. noun

A contemptible or despicable person

“He was considered a shitheel for stealing from his friends.”

2. noun

A person who is contemptible or despicable, especially one who is considered to be inferior or worthless

“The coach thought his player was a shitheel for not trying hard enough.”

3. verb

to treat someone with contempt or disrespect

“She shitheeled her opponent by calling them a loser.”