Top definition
A substitute teacher who is gullible and half the time has no idea of what is going on around him/her.
--A class come into room and realizes they have a substitute teacher--

(Scrub Sub) "Do you have assigned seats?"
(Class) "No"
(That one annoying nerd that's always there) "Yes we do!"
(Scrub Sub) "I ain't no scrub sub!"
by -Scorpio- January 14, 2010
Get the mug
Get a Scrub Sub mug for your brother-in-law Georges.
buy the domain for your art blog