1. verb, slang To become very emotional or nervous. I nearly barfed out when I heard that I had to perform first in the school talent show. Mom will barf out if you come home after curfew again.
2. verb, slang To annoy or repulse someone. A noun or pronoun can be used between "barf" and "out." I'm not going to prom with that creep! He totally barfs me out!
3. noun, slang Someone or something that is bad or terrible. Spending all day cleaning out the garage is a total barf out.
4. expression, slang That's bad or terrible. Does Mom really want us to spend all day cleaning out the garage? Ugh, barf out.
n. an unpleasant person or thing. That guy is a real barf-out.