Wobbler Definition

(curling) A stone that rocks from side to side as it travels because it is not resting on its running surface.

(colloquial, law) A case that could go either way depending on factors that cannot be controlled.

(fishing) A fishing lure made to resemble a prey fish and that wobbles in the water; plug, minnow.

(slang, UK) Sudden unexpected outburst of anger or rage, a tantrum.