Tested Positive

Getting positive results on a medical examination for diseases, meaning you have that disease/health problem.

Guy 1: Bro, I tested positive for HIV! I'm doomed!
Guy 2: Thankfully my HIV tests came back negative.

Tower Defense: X

All out Tower Warfare! Deploy your towers from the air, land, and sea. Rival against powerful enemies and bosses before they destroy your towers. You are humanity's last hope to defend the base.

It's a Tower Defense game on Roblox.

"Bro, did you see the Tower Defense: X update? They added a nuke!"
"Sick, I'll go check it out."