Thad
𝘯𝘰𝘶𝘯
1. Someone with an exaggerated sense of self-worth who is very tiring to be around.
2. A person who acts as though they know everything and dismisses the opinions, comments, or suggestions of others.
3. An A-hole.

"Don’t be such a Thad, you’re giving me douche-chills."
"Steve, you're being such a Thad right now."