1. One who often enters an ongoing conversation or argument, saying nothing of value and often just repeating the stupidest/baseless/meaningless fucking thing they possibly can, usually also as loudly as possible.
2. One whom, after fufilling the first definition, uses the flimsiest god damn segue to steer (rape) the conversation into a totally different subject.
3. One who rapes someone, and attempts to make small-talk during the aforementioned rape.
1.Me: Dude, I'm serious, Chocolate ice cream is the best
Friend: Well, I dunno man...
Conversation Rapist: SERIOUSLY MAN, VANILLA IS WAY BETTER, ONLY CUNTS LIKE CHOCOLATE, VANILLA,VANILLA,VANILLA, FUCK YOU.
2. Conversation Rapist (continues): YOU KNOW WHAT ELSE IS FUCKING GAY AND CUNTY? YOUR WHOLE PERSONALITY!
Me: I'm glad you added that relevant point and smooth transition to the conversation, you fucking rapist.
3. Rapist: (Mid Raping) The weather's pretty nice this time of year. It's refreshing.
Rape Victim: I suppose, but could you please stop raping me?
Rapist: Ehhh, Nope.
Someone who interrupts conversations in the most irritating way imaginable, and somehow kicks you out of your own conversation.
A: Yeah so the other day I was -
C: HAAAYY, B WHATS UPP
B: Oh not much not much, how've you been?
A: ...............! *whispers to self* what a conversation rapist...