Yard bomb 

A pile of dog crap that isn't picked up by its owner and is instead left to be stepped in.

My asshole neighbor never picks up his dogs droppings. Instead he leaves them behind and waits for unknowing people to step on the yard bombs.

Yard bomb by LZ 822 August 19, 2012

yard bomb 

A big propane tank out in someones yard.Mostly out in the country.

Billy Joe had a silver yard bomb next to the barn.

yard bomb by E. Normous July 18, 2006