To touch yourself or someone else in a way that could be deemed innapropriate sexually.
"Watch out for that Neil bloke he's a bit of a cock feffing rapist!"
"His hand were in his pockets and he was clearly feffing himself."
Fucking
Can also be used as Feff meaning Fuck, or Feffer meaning Fucker.
- Originated from Effing
Ashley's a Feffing fag!
Stop being such a Feffer!
Curligion that has taken out christians in battle several times.
Founded by a homeless chicken nugget
Fef is awesome
fef ist ein Synonym für "lol".
Mein Sparschäler liegt immer noch auf dem Schulgrill, fef.
To be so utterly and totally wasted that it is impossible to converse properly using a keyboard or mobile phone.
Can also carry over into an inability to verbalise in a coherent way.
"Dave, what the hell were you posting last night - it didn't make any sense?"
"I was posting? Damn, I was so feffed."
Created after BTS member Jin tweeted "kekeke" in Hangul. A few confused souls thought it was a backwards F and tweeted F F F F F F instead. FEFing is the action of using F F F F and "FEF" is equivalent to "lol".