Dadbas
A dadbas is a guy who thinks he’s the main character, but he’s just the guy who shows up late to the party.
You're a dadbas. You showed up 10 minutes late and still thought you were the star.
Dadbas? More like dadbad. You're the reason the game was a draw.
You're the dadbas who forgot to bring the snacks and still took the credit.