(transitive) To make a mess of; to untidy, disorder, soil, or muss. / (transitive) To cause a problem with; to introduce an error or mistake in; to make muddled or confused; spoil; ruin.

(informal) A mistake or fiasco; something that has gone wrong.

present participle of mess up

Third-person singular simple present indicative form of mess up

(informal) The state or condition of being messed-up.

Alternative form of messed up

plural of mess-up

simple past tense and past participle of mess up

In disorder. / (colloquial) Intoxicated, drunk. / (colloquial) Morally reprehensible; clearly and grossly objectionable. / (colloquial) Damaged.