cracked

See crack.

The origin of the slang sense “skilled (at a game)” is disputed, but may derive from the much older term crack shot (“one who is skilled at shooting”). This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

• IPA^(key): /kɹækt/

• Audio (General Australian):

  (file)

• Rhymes: -ækt

cracked (comparative more cracked, superlative most cracked)

1. Broken so that cracks appear on, or under, the surface.

   Synonym: crazed

2. Broken into coarse pieces.
3. (of a voice) Harsh or dissonant.

   Synonyms: discordant, dissonant, harsh, inharmonious, raspy, rough

4. (slang) Extremely good at something (usually a video game).

   20 kills? Dude, you're cracked.

5. (slang) Crazy; crackpot.

   Synonyms: see Thesaurus:insane

cracked

1. simple past and past participle of crack