A phrase used to describe the state of mind during a heavy drinking session. Usual characteristics of some one who is 'blatto' are hyperactivity, increased verbal noisage and unmatchable-sexual-disco-dancing.
Continued drinking may lead to the victim become blattered.
Person A: Yo Mr Orogato, Lets get Blatto!
Mr Orogato: Sick mate, but I am already blattterred!!
Person A: Ok lets dance!
/Mr Orogato humps Person A's Leg while doing the Robot!
Common characteristics of this person include tiredness after sleeping and laziness in the morning, but usually the afternoon. Other qualities consist of repeatedly putting the alarm clock on snooze and listening to 'just one more song' on the radio.
When this special breed finally decide to get up some general activities may include phoning in sick to work followed by an extra dose of procrastination.
Danny was a bedstain, living life in the slow lane.
Shes such a lazy girl, a right bedstain.