Stfu Mf-er

What is Stfu Mf-er?


1.

pronounced: es-tee-ef-you-em-ef-er. a way of saying: shut the fuck up mother fucker.

used in texting, short hand messages, or even in a stressful situation; if someone insults me I'm like, "STFU MF-ER!"

See shut up, mother trucker, mother fucker, stfu, shut your mouth


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