痴漢

Etymology 1
Attestable in the Sui and Tang dynasties in the, and in the Ming dynasty novels and.

Noun

 * 1)  fool; idiot

Etymology 2
.

Noun

 * 1) (male) groper; (male) pervert; (male) sexual harasser

Etymology
Appears to be a borrowing from written. First cited in Japanese in 1790 with the stupid guy sense.

The "Xbox fanboy" sense originates from a media interview of Akihabara retailer Messe Sanoh, where one customer stated his intention to purchase an Xbox in addition to the adult computer game Ryōjoku Chikan Jigoku.

Noun

 * 1)  (male) pervert; molester; masher
 * 2)  sexual harassment of a woman by a man
 * 3)   (male) fool, idiot
 * 4)   an Xbox fanboy, Xbot
 * 1)   an Xbox fanboy, Xbot

Verb

 * 1) of a man, to sexually harass a woman