はじき・弾きhajiki[1]atamadaka (head-high)

1. noungun; pistol
   サツにハジキを持もっているのをみつかるなよ。↗

   Don't let the cops find a heater on you.
2. nounohajiki; traditional children's game similar to marbles, played with coin-shaped pieces of coloured glass or plastic
3. nounrepellence

• Synonym拳銃けんじゅうNeutralThe proper, formal term for a pistol, as in 「拳銃所持」; 「弾き」 is slang with an underworld flavor.
• Synonym短銃たんじゅうWrittenA written, relatively rare synonym for a pistol; plain prose, not slang like 「弾き」.
• SynonymピストルNeutralThe everyday loanword for a pistol; also means a starting pistol. Neutral and common, unlike the slangy 「弾き」.
• SynonymチャカCasualGangster jargon for a pistol; colloquial slang in the same underworld register as 「弾き」.
• Synonym短筒たんづつWrittenA written word for a short-barreled pistol, found mostly in historical contexts such as the Edo period; not slang like 「弾き」.
• Synonym懐鉄砲WrittenAn archaic, very rare word for a small pistol that can be hidden inside one's clothing; not slang like 「弾き」.

「弾き」 is underworld slang for a pistol and also names the game 「おはじき」. In ordinary speech use 「ピストル」; in formal contexts 「拳銃」. 「チャカ」 is the other slang term; 「短銃」「短筒」「懐鉄砲」 are written or archaic.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. はじくこと。また、そのための装置そうち。
2. 御お弾ひき。
3. 拳銃けんじゅうの俗称ぞくしょう。