Top definition
When a freshman is friends with upperclassmen and think they are the absolute shit.
1."Man, he's been a real jerk lately.'

"He has freshmanitus."

2. "What does he have, freshmanitus or something?"

3. "I'm afraid I'll have to diagnose you with, freshmanitus."
by cckykordie October 10, 2011
Get the mug
Get a freshmanitus mug for your boyfriend G√ľnter.