Top definition
The illness that you become over come with when you are expecting a package. Symptoms include : Checking order tracking several times an hour, the inability to concentrate when you hear a large truck approaching, mood swings, day dreaming, and nervous pacing.
have you seen mat today?

No, he called out with a bad case of incomingpackageitus.
by Matanial. November 19, 2010
Happy St. Patties Day!