when a competitive multiplayer game becomes so old that the only people that still play it are the really really good people so if you want to get back into playing, you can't have fun with it because you just lose every game
person 1: you wanna play tf2, war thunder, splatoon 1, wizard101 PVP, starcraft, mario kart wii online, or turbo kart racers?
person 2: lol nope those all have tf2 syndrome, we're definitely gonna lose
person 2: lol nope those all have tf2 syndrome, we're definitely gonna lose
by Bernardo March 23, 2022
When one half of a community is gay and the other half are 4chan users. Can commonly be seen in games like tf2.
-This comment section is hilarious, I’m pretty sure half of the payday community is gay and the other half is homophobic.
-Ah yes, the TF2 syndrome!
-Ah yes, the TF2 syndrome!
by Spr3ad August 9, 2022