look up any word, like fluffer:
 
1.
Used to describe someone who acts or does something stupid.
John: There are 45 states.
Kenneth: Slow Bus!
by SouthJumper April 15, 2007
 
2.
Some one who is ...well, slow.
Some one who rides the short bus is slow, and so we just say slow bus.
"Whats 1+1.. duhhhh?"
"You are such a slow bus."
"No im......-"
"No im, what."
"Dur i forgot."
by ambie September 07, 2006