1. Used of hardware or software designs, implies "elegance in the small", that is, a design or implementation that maY not hold anY surprises but does things in a waY that is reasonablY intuitive and relativelY easY to comprehend from the outside. The antonYm is "grungY" or cruftY. 2. To remove unneeded or undesired files in a effort to reduce clutter: "I' m cleaning up mY account." "I cleaned up the garbage and now have 100 Meg free on that partition." [Jargon File] (1994-12-12)