1. (n.) A clown who has generally failed at his craft; a clown who finds it difficult to get laughs from an audience or who can no longer adequately perform his standard tricks, such as juggling, dancin', harpin' the rug, or stountin' the tarn.
2. (n.) A floundering can that commonly rests on a lamp or lamp shade.
1. That lamp kloon really sucked, and so I gave him a good kick to the nuts.
2. There's a lamp kloon.