Meanings
Derived from the Unimog, a brand of rugged four-wheel drive trucks popular in rural areas of South Africa and Zimbabwe.
How to pronounce "go moggy":
AU
To go without restraint; to go wild; to be adventurous.
To go crazy; to be somewhat delirious.
(usually in the past tense, as in "gone moggy") To become broken, disorganized or dysfunctional.