noun. 1. Loinshead. 2. One whose head is preoccupied with affairs of the groin.
Real citation: "TOO FAR GROINHEAD!! thats my mother your talking about.. Besides, your punching way abouve your weight fantasising about her.. so give up now!"
(Sept. 5, 2006, http://profile.myspace.com/index.cfm?fuseaction=user.viewprofile&friendID=56781108)
Made-up citation: "All dickheads are groinheads, but not all bats are Batman."