look up any word, like bootylicious:
1. Souped Up
Anything that has been modified or upgraded for performance or looks(especially cars).

That car is souped up like crazy.
by John Shim Feb 15, 2003 add a video
2. Souped Up
A Car that has been modified for racing.

Origin: California 1950's

A Car put together like ingredients in a soup.

was illegal drag racing slang.
now is commonly used buy professional racers.
"I think it's rolling stocks! this needs to be souped up!!".
by Lec2 Feb 10, 2003 add a video
3. souped up
Full of soup.
The boys were souped up with Campbell's chicken noodle soup.
rss and gcal