Also found in: Dictionary, Medical, Wikipedia.

go moggy

1. To become insane, mentally imbalanced, or crazed. Primarily heard in South Africa. I'm going moggy living in this shack all by myself!
2. To become extremely excited or enthusiastic (about something). Primarily heard in South Africa. I've never understood that pop star's popularity, but kids just go moggy over her music.
3. To act or do something wildly, excessively, and/or without restraint. Primarily heard in South Africa. We all went a bit moggy after our exams, hitting the bars every night for a week straight.
See also: go, moggy

gone moggy

Having become completely broken, disorganized, or dysfunctional. Primarily heard in South Africa. I think something's gone moggy with my computer—the screen keeps flashing on and off. The real estate market has gone completely moggy in recent years.
See also: gone, moggy
References in periodicals archive ?
Thomas is a best friend to 14-year-old son Nathan, who is disabled, and the family had accepted the moggy would never return to their North Shields home.
But if your moggy can do better than that Go-Cat, one of the UK's most popular cat foods, wants to hear from you.
The moggy was also well-fed, suggesting he may have been taken in by another caring family during his extended vacation.
The moggy was found wedged by the battery of the van after firemen removed the vehicle's grille to reach it on Saturday.
Lori Moggy, market specialist for the Bank of Montreal, says that although interest rates definitely motivate buyers, a quarter of a percentage point is not enough to stop people from purchasing a house.
The moggy was found by the driver when he reached Inverurie, Aberdeenshire, and taken in by Mo O'Sullivan, who used Facebook to track down her owners - Catherine Boyd and her 10-year-old daughter, Teagin.
PIPPA the miracle moggy survived 49 days trapped in a shipping container with no food or water in Australia.
uk Smokey the moggy went missing from his home in Newsome in December - but |was found after appearing in our Petwatch picture gallery online
Now they live happily together but Sam is a bit slow and fat, he's no longer a tough young moggy but a grey haired old pussycat
THIS hungry moggy bit off more than it could chew when its head got stuck in a cat food tin.
Moggy Jake has beaten odds of 400,000-1 to be a male cat with black, ginger and white tortoiseshell fur.
London, December 3 ( ANI ): Researchers have ranked cat breeds from the most affectionate to the least, with the hairless sphynx coming out on top and the common moggy being named the most unfriendly.
WHAT a cat flap there was at the Tory Party Conference this week when the Home Secretary cited the case of a man who fought deportation on the grounds that he had a moggy (which in the end, turned out to not be entirely accurate).
Animals for Homes: Mr Moggy (33) is a tabby and white neutered tom.