1. To harm irreparably through inept handling; make a mess.
2. inactive, sluggish
Synonyms: ball up, blunder, boggle, bungle, foul up, fumble, gum up, mess up, mishandle, mismanage, muddle, muff, spoil, inattentive, indifferent, indolent, inert, and lackadaisical
Antonyms: Go getter, Resolute, Dependable, Punctual, diligent, energetic, hard-working, industrious, lively
He was going to change his oil, but he ramosed it so badly the car won't even start.
Wow, you really ramosed the hell out of that!