To throw something at someone and while in the process of throwing it you scream out what the object is.
Mike: *takes a chair and throws it a Phyllis*
Mike: CHAIR!!!
Phyllis: What are you doing?
Mark: I just reagletossed you, bitch.
Mike: CHAIR!!!
Phyllis: What are you doing?
Mark: I just reagletossed you, bitch.
by FlourescentRainbow June 15, 2010