Ohju Disease

The uncontrollable need/urge to showoff/flex one's belongings.

A: I just bought a new watch, it was $60
B: Hey, I got a new watch too. It was JUST $600
B: Also, the underwear I'm wearing are like, $60 each.
B: I should get some pricier ones, these were kind of cheap.
C: Oh no, this guy has the Ohju Disease.