The disgusting droplet of goo that forms at the end of a dog's penis; combination of the words "smegma" and "booger"; Also, any form of wiener by-product resulting from poor hygeine
Eww, Fido, lick that smooger off before it gets on the furniture.
Dude, you better wash yourself before you end up with a smooger.
You left a smooger on the sheets. Go take a shower.