1) someone who uncaringly and without compassion for others, or respect to their current conversation, daily musings and/or bonding time totally interrupts hijacks and suicide bombs your conversation(very much like a cockblock).
2) A short midget(metaphorically speaking) (usually female), (always a bitch) around 4'11" that just doesnt shut up.
1)Me and my bro Frankie were talking about the game last night, when this girl jumps in talking about how sucky her day was. Damn conversation terrorist.
1)Barbara doesnt let me speak for one damn SECOND!