A slang term substituted in for banning, or 'exiling' somebody from a chat channel. Also can be removed from other things, such as as a board, forum, team, etc; most often online.
Origins come from Starcraft where moderators were depicted with a hammer or maul as an Icon.
The result of a Shinobi Wench Hammer from the rear. This can lead to a woman defocating down the man's legs. The easiest way to deal with this is to get her to lick it off with your shinobi moves, or to ram her from the front during the Wench Hammer. Sometimes naming her foeces 'Victory Juice' may increase desire to be hygenically horny within the more sadistical types of female.
Guy 1: "Hey sorry for not getting back to you earlier, i had difficulties cleaning that WenchHammer Mudslide from under my sack"
Guy 2: "You actually tried the Shinobi Wench hammer?... Gross"