I can't even know - Used when you're so drunk you can’t even remember your own n

Used when you're so drunk you can’t even remember your own name, and your brain is basically a pile of garbage.

"I can't even know" after drinking 10 beers and trying to talk to his dad.

"I can't even know" while trying to remember why he came to the party.

"I can't even know" after eating three burgers and still being hungry.