An alternative name for the "short bus" or "tart cart." Combines "sped" (special education) with "ambulance."
by Led Zeppole November 24, 2003
When something is awesome or shocking, but in a very retarded or sped-like way. Person or things involved in it may or may not personally be of an entirely retarded nature.
Guy 1: Dude! Did you see Sam fingerpaint a penis on the wall using his own shit?
Guy 2: Yeah dude! It was spedulent!
Guy 2: Yeah dude! It was spedulent!
by PoliticallyErect December 01, 2022
The unfortunate quality of being quite dumb, naive, "retarted", unwise, inability to cope with reality.
by Don November 22, 2003
No longer being challenged physically or mentally; the process of removing retardation from oneself; not being a "sped" anymore.
by illusional_dream19 July 29, 2010