Short for 'kamikaze attack'. Also biker-gang uniform vocabulary.

What a Japanese person actually thinks
Two bad readings and no good one: either wartime suicide missions or delinquent biker gangs. In Japan the second is what most people under fifty will assume, and it isn't flattering.

Meaning

Literally: special + attack
Actually: The WWII suicide-attack missions. Separately, 特攻服 is the embroidered uniform worn by bōsōzoku biker gangs.

Scores

Naturalness●●●●●

Correct word with two very specific habitats.

Coolness●●●●●

It does have a certain reckless-commitment appeal in the abstract. Neither actual association supports it.

Watch out

highWartime suicide-attack terminology carries serious weight across East Asia. This is not neutral historical vocabulary.
medium特攻服 is bōsōzoku gang wear. The delinquent reading is very live in Japan.

Get this instead

背水の陣 haisui no jin
fighting with the river at your back — no retreat possible

A classical idiom for total commitment with no way out. All of the resolve, none of the war crimes.

On skin

特攻

Orientation: vertical

N/A.