A tommy boi senpai is a person who spends most of their day inside watching anime and often acts like a girl
Person one: yo why is that guy standing in the corner watching anime
Person two: it’s fine he’s a Tommyboi senpai
Person two: it’s fine he’s a Tommyboi senpai
by Memeloridicus69 March 12, 2020
Get the Tommyboi senpaimug.