Definition/Meaning of STFU

• English - Phrase: STFU (Internet, abbreviation, initialism, vulgar) Initialism of shut the fuck up .
• English - Proper noun: STFU (US, abbreviation, historical, initialism) Initialism of Southern Tenant Farmers Union.
• English - Anagrams: fust
• English - Synonyms: STHU shut the front door STFD keep one's mouth shut