"Who the fuck are you?!" Callan yelled back, his defenses immediately going up as he crawled, very aware of his backside's vulnerability as he turned away from the other man and attempted to get as far away as the walls of the bedroom would allow. He stood, staggering a bit, and cupped both hands protectively over his junk.
"What are ya... GET OUTTA MY FUCKIN' APARTMENT!" He bellowed once he realized this was his place for certain. Where the fuck was Erin anyway? Not like it mattered. He'd have one fuck of a time attempting to explain this to her anyway.
He attempted to get even further away, leaning against the wall for support as he slid along in the valiant hope of stumbling upon a weapon or at least a pair of pants, but when he met the opposite wall and still nothing, he settled for lifting one of his knees, hands still over his junk, and glaring.