Blithero

adj.

In a state beyond drunken intoxication. Also Blotto.

In use

He was so blithero he asked his own reflection for hees go on de stairs in Breens!

Let Lawrence Muck translate it to posh English for you
Lawrence Muck

Good day, good sir or madam. Would you like me to translate 'Blithero' in use for you?

He was so thoroughly inebriated that he challenged his own reflection to fisticuffs on the staircase at Breens!