Wuhan Whooping Cough

Another name for COVID-19

Little Lingi has Wuhan Whooping Cough! Get him to a hospital!

KTB

Stoner slang for asking a friend if they would like to have a session.
Means: Keen To Blaze?

Hey bro, Are you KTB?

"Yeah bro - Of course, Meet your at Spot-X"