Disco

(derived from the term discombobulate; popularized in the late nineties by the african-american lgbt youth community probably from the ball-room scene)

Disco :When someone or something ruins your plans ,or just drastically changes the outcome of a situation

Noun; (singular)disco;(plural);discoes: "whoa girl, don't invite your boyfriend to the party because he's a disco.
Verb "I can't believe you discoed the entire situation.
(Present tense); discoing
Synonymous with DISCOmbobulate