(slang, vulgar) A chaotic situation where everything seems to go wrong. It is often caused by incompetence, communication failure, or a complex environment.

(vulgar) To fuck (something) up, to make a total mess of.

plural of clusterfuck

Third-person singular simple present indicative form of clusterfuck

simple past tense and past participle of clusterfuck

The condition of being clustered

(astronomy) The central part of a star cluster, where stars are most densely packed.

centred on a cluster / (astronomy) Relating to the centre of a galactic cluster

Alternative spelling of clusterization

(biochemistry) A heterodimeric glycoprotein associated with apoptosis.