Blind drunk
Definition 1 of 1
Pro Tip 1/3Colloquial Usage
The phrase 'blind drunk' is informal and used mostly in casual speech or writing. 
At the reunion, Mike got blind drunk and sang karaoke.
Pro Tip 2/3Visual Impairment
The word 'blind' in 'blind drunk' exaggerates the effect of alcohol to the point of not being able to see. 
She was laughing about how she was blind drunk and walked into a door.
Pro Tip 3/3Impairment of Actions
Being 'blind drunk' suggests severe impairment, leading to difficulty in performing normal actions. 
He was so blind drunk that he couldn’t unlock his phone.