Sl. to become deranged, to a greater or lesser degree. Terry barfed out when he heard about the damage Nick had done to his car. Yuck! I thought I was going to barf out.
barf someone out
Sl. to disgust someone. (Fixed order.) You just barf me out! I barf myself out every time I look in the mirror.
in. to become very upset; to freak out; to psych out. I nearly barfed out when I heard he was coming.