To modify something in order to increase its power or performance. A noun or pronoun can be used between "supe" and "up." (A less common variant of "soup up.") He's spent a fortune suping up his car for drag racing. We've suped our computers up to run incredibly complex programs at lightning speeds.
See also: up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.