What is Y.o.t.t.?
1.
You're One To Talk.
Meaning you're being hypocritical, same as saying "look who's talking"
Like the pot calling the kettle black.
Bigot Number 1: Hahaha! You have a small brain.
Bigot Number 2: ...haha...Y.O.T.T. you stupid hypocrite!...
See
2.
Your One To Talk
meaning your being hypcritical, same as saying "look whos talking"
Asian Guy One: Hahaha you have a small penis.
Asian Guy Two: ...haha...Y.O.T.T. fucker...