(baseball) high and inside; a pitch thrown near the top the strike zone, relatively close to the batter / short for インターハイ (“inter-high school sports tournament”).

(slang, ACG) simple-minded heroine

incel

to go to bed (with someone)

going to bed (with someone)

implant (anything surgically implanted in the body), usually dental implants

(mathematics) a Klein bottle

tiger / refrain, chaste, abstain

basic income, universal basic income

incel otaku