soup up
To modify something in order to increase its power or performance. A noun or pronoun can be used between "soup" and "up." He's spent a fortune souping up his car for drag racing. We've souped our computers up to run incredibly complex programs at lightning speeds.
souped up
Modified to have increased power or performance. Sometimes hyphenated when used before a noun. At this point, her car is so souped up that it could probably reach 200 miles per hour! This souped-up computer is able to run incredibly complex programs at lightning speeds.
souped up
made more powerful. That souped-up car of John's sure makes a lot of noise. Why do all cars driven by males under the age of twenty have to be souped up?
souped up
mod. made more powerful. Why do all cars driven by males under the age of twenty have to be souped up?