deathly toxic 

A person who is extremely annoying, like just the worst person to be around, so extremely toxic that it could be fatal in high enough doses

Dude, that bitch over there is deathly toxic

deathly toxic by Eightyecho June 22, 2023

deathly toxic 

Someone who is so extremely annoying, that being in there presence could be mentally fatal. They don't even have to say anything there just that annoying

Dude, that bitch over there is deathly toxic

deathly toxic by Eightyecho June 22, 2023