A variation of the classic "brb", meant to imply that you will be back after answering nature's call.
by josh_or_socko September 10, 2008
Internet slang for "Be right back, biology break," in which "biology break" refers to going to the bathroom.
by eric osgood is a huge n00b August 11, 2008
Used by gamers to let their party members know they are taking a small bathroom break.
Party members walk up to the boss room
The healer really has to pee
"Guys brb bio" - The Healer
"Ok np" - The tank
"What?" - The rogue
"She will be right back, bathroom break" - The Tank
"What's bio?" - The fighter
"It means Bathroom In and Out, and sometimes biology, because nature is calling" - The Tank
Party members walk up to the boss room
The healer really has to pee
"Guys brb bio" - The Healer
"Ok np" - The tank
"What?" - The rogue
"She will be right back, bathroom break" - The Tank
"What's bio?" - The fighter
"It means Bathroom In and Out, and sometimes biology, because nature is calling" - The Tank
by razersnek February 5, 2023