Convobomber 

An individual who derives great pleasure from being extremely blunt or unequivocal yet simultaneously witty and sarcastic in front of a group of fake-ass, two-faced people.

A group of parents are talking about how well their children are doing.
Sarah: "Oh yes, my little angel got straight A's this year. She was named top in her class and - haha - I can't say I'm surprised. Oh! Kacy, how is Susie doing."
Kacy: "Well, she's not giving blowjobs to nerds in the science wing bathroom so they'll do her homework, and she's not smoking pot behind the school like I've seen your kid doing. So I'd say she's doing spectacular!" Kacy leaves.
Sarah: "God what a Convobomber.

Convobomber by trollmaster3498 October 28, 2013

convobomb 

the act of being tagged in a facebook conversation and being offline for a long time, and then saying hello randomly

dude 1: and so that girl was like killing that other guy
dude 2: man thats deep
etc
dude 3: sup guys
dude 1 convobomb lol!!

convobomb by kratos aeter August 26, 2013

Convobombing 

A person who enters a conversation without being asked there opinion. Usually they think they have something important to say but in actuality are a extremely annoying.

Sally kept convobombing us at lunch today, why dosent she ever stfu?!?

Convobombing by ms. Witt November 15, 2016