The original bulls balls that hang under the back of a truck, usually a redneck's add-on to remind people that the truck is masculine. Looks like a bulls scrotum. Also as a gag. Driver usually has a redneck horn on his dash too.
Trinidadian slang describing a sack of testicles belonging to a male cow. The phrase is used to express disagreement or disgust. Other obscenities can be combined with the phrase to emphasize the level of disgust.