A penis, with the lack of an erection.

a ding dong - twinkie mix

Poop. Can be used as both a noun and a verb.

An incredibly small penis.

A double squeeze to a soft penis while saying dinky dinky and giggling

When you are trapped in the Fallout: New Vegas town of Novac, and are being suffocated by the sheer amount of Dinky the Dinosaur souvenirs.

A person that is lacking ordinary quickness and keenness of mind; or is annoying or irritating. An utterly foolish or senseless person. In other words, an idiot loser.