Imba

Imba is used mostly in online games or games that have patches or different versions. Imba means that something is imbalanced and should be `nerfed` or made worse. When something is imba it means that is is too good and it makes the game unfair.

IMBA

(Say: im - ba) - International Mountain Bicycling Association
Found on http://bikeline.com/articles/glossary-of-cycling-terms-pg283.htm

imba

Imbalanced
Found on http://www.chatslang.com/terms/online_gaming
No exact match found