Beyond fucked up...blacked out...drunk and ridiculous.
Kimmy was so zached that she woke up faced down in the middle of the park with nothing but a bra and panties on.
Consider yourslef zached when your pissing in the sink at 2:30 in the morning.
To violently put something/person in its place. Usually resulting in improper functioning of said thing/person.
after playing a particularly frustrating game of halo 2, he got up and with unwavering intention picked up his Xbox and ZACHED it,big time.