Slang term for Icelander, especially a rural one--popular term among US military personnel stationed in Iceland during WWII. Origin unknown.
That Mojack insisted vehemently that his cow was sick because of being sexually assaulted by our soldiers, but after our camp veterinarian diagnosed and treated her for a common bovine ailment, she made a full recovery; then the Mojack gave us some cheese to make amends.
adj. the appropiate discriptive response to a crazy, irregular, nifty cool, etc, action
v. to be crazy, wacky, hillarious, etc
that jackass is wacky mcnacky.
did u see that happen, it was wacky mcnacky
i dont know what was his major malfunction was but he was acting all wacky mcnacky today,