STFU


AcronymDefinition
STFUShut the Freak Up (polite form)
STFUSouthern Tenant Farmers' Union
STFUSuper Time Force Ultra
STFUSay, Thanks for Understanding
STFUSpecial Task Force Unit (gaming)
STFUShort-Term Follow-Up (pharmaceutical study)
STFUStop Tickling Furry Unicorns
STFUStop Trolling for Unicorns
STFUStar Trek Federation University
STFUScrawny Two-Faced Underling
STFUSir, That's Freakin Ugly (polite form)
STFUSamurai Training Finished Unsuccessfully
STFUShow Them Fury Unleashed
STFUSave the Flying Unicorns