whacked /wækt/ adjective [not before noun] informal

1. (also whacked out) very tired:
You look absolutely whacked.

2. whacked out American English behaving strangely, especially because of having too much alcohol or drugs

3. (also whack) American English informal a whacked situation is very strange, especially in an unacceptable way:
Everyone was running around naked. It was totally whacked.

[TahlilGaran] Dictionary of Contemporary English ▲