1. ratfuck - Noun
2. ratfuck - Verb
(vulgar, transitive, intransitive) To steal or disorganize items that do not belong to one.
(vulgar) To sabotage; to fight dirty against or betray and cause disarray among.
(vulgar, politics) To interfere in an election.
(vulgar) Someone who engages in dirty tricks.
(vulgar, more generally) Someone despicable.
(vulgar) An act of sabotage or dirty tricks.
(vulgar) A violent or disastrous situation.
(vulgar) An overcrowded party.
(vulgar) Something of no value.
Source: en.wiktionary.org