Stfu

Stfu is a shortcut to saying “shut the fuck up.” If someone is mad or is joking around they would be saying “stfu” Usually you would use “stfu” when you’re texting someone.

Kyle:Your such a looser man

Eric: STFU

Obvi

Obvi is just short form for obviously, And obviously means it’s pretty clear to understand.

she obvi brought her vape to school no doubt about that.