Flat Out Like a Lizard Drinking

phrase

Very busy. Embellished form of 'flat out'.

Example of 'Flat Out Like a Lizard Drinking'

- Can I interest you in a presentation on how you can experience your dream holiday every year?
- Sorry, I'm flat out like a lizard drinking.
- All that's involved is...
- I thought I told you to piss off you filthy maggot!