One qualifies as a Knob Breath if they either:
- Have the smell of a Knob on their breath
- Enjoy performing fellatio on a man's Knob
- Are moronic, stupid or unkempt
- Have little sense of smell
- Recently suffered from IVD or T.R.E.
2. John wants to share his collection of stamps with us. He is a complete Knob Breath.
3. Hey, Luke's a Knob Breath. Let's not go to his funeral.