Just launched! Learn slang while watching funny vids: urbandictionary.tv
1. Flat out like a lizard drinkin
In a hurry, rushing.
"I had to get to the hospital, I was going flat out like a lizard drinkin'"
2. Flat out like a lizard drinkin
Very busy, "flat out"
"Are you busy, Mike?"

"Busy! I'm flat out like a lizard drinkin!"
3. Flat out like a lizard drinkin
Rural Australian slang for
1. laying on one's stomach
2. asleep from being plastered, wasted, etc.
3. Worn out from hard yakka or work
1. The scrum left him flat out like a lizard drinkin.
2. Too much VB and Becky's flat out like a lizard drinkin.
3. *yawn* I'm flat out like a lizard drinkin