getting crunk has several meanings:
1.) to get banged up or damaged,
before throwing a punch: "get crunk bitch!
2.) to get drunk and/or stoned
"i'm getting crunk tonight"
3.) to have sex
"me and this bitch were gettin' crunk"
4.) to get excited
" i'm getting all crunk for this fight"
that's about it, get crunk!
i was goin out to get crunk, but someone stole my car