Peter's brb

When that one friend says brb and comes back in 4 hours.

Peter in an intense game: "oh man gtg brb"
Paul: "Oh no"
Chris: "Ah yes another Peter's brb. Im gonna cook some meal after game and wait for him to come back"
Peter, after 4 hours: "Sorry guys i was talking to my parents"

Peter's brb

When your friend says hes gonna be right back... He goes afk for 4 hours.

Peter: yo man i gtg brb
Paul: Lets go... another Peter's brb
Chris: Ah nice, see ya in 4 hours m8