How to Use "barf" with Example Sentences

1. I will not barf unless I 'm sick .
2. You want a barf bag ?
3. " Who 's supplying the barf bags ? " Asked another .
4. There 's so much blue cheese here , it smells like barf , mom !
5. All of my clothes smell like barf . I don 't have time to shower , much less get a haircut .