The day a person or person's was birthed; see also birthday
a. Been this way since BERF!, b. Been trifelin' since BERF!
the act of disposing or pouring out a beer before finished or before taking a sip then acting drunk
Delaney berfs it every weekened to make himself feel good
When two people argue the have beef. But if vegans or veggies argue they have berf so they don't have meat
"Did you see those vegans, I think there having some berf "
When a game company both buffs and nerfs something in the same change
-"Did you see they increased the shotguns range but lowered the damage?"
-"Damn bro, they berfed that shit."
A person who has easily sprained ankles.
That girl just sprained her ankle walking across the street! What a Berf!
The sound a wet pussy makes when having sex
Guy: Damn girl this pussy is wet imma pull it out
Girls pussy : Berf
An interjection used immediately after a sarcastic remark, for the sake of emphasis and humor, to test others' gullibility and unreasonable willingness to believe everthing they hear
"Silly rabbit, seriously, come over here and you can have some Trix..."
"Sweet Ecstasy!" *the silly rabbit promptly pops up like toast and gaily clicks his hind paws together in midair*
"...Berf!"