An underhanded trick. / A lifehack.

(judo) yuko, points or the judge call to the points in judo match. Fewer points to ippon.

(fiction) name of a technique / move

magic wand

(weaponry) A sacred staff, crook, crosier, sceptre; any such symbol(s) of office, holy power and authority, such as flail and crook.

a traditional Japanese martial art using a shortened staff: a kind of stick fighting

white cane

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)