When a dog or cat is sitting and they raise their hind legs so that their anus is in direct contact with the carpet and then use their front legs to drag their ass around. Sometimes it leaves a stain.

A polite way of calling someone haggard. Based on the name of country music icon Merle Haggard.

Merle (m-url) is a rare mammal species long thought by scientists to be extinct. Although the merle physically appears very similar to human beings, it is genetically closer to an orangutangue. A merle was recently discovered living amongst humans in Halifax, Nova Scotia. Very few studies have been conducted on this Merle as it becomes enraged when approached by scientists.

looking or feeling wasted or exhausted; as in "haggard".

A dirty cunt who stinks really fucking bad

Merle (m-url) is a rare mammal species long thought by scientists to be extinct. Although the merle physically appears very similar to human beings, it is genetically closer to an orangutangue. A merle was recently discovered living amongst humans in Halifax, Nova Scotia. Very few studies have been conducted on this Merle as it becomes enraged when approached by scientists.

A clone or doppelganger. Used mostly to avoid saying clone because it sounds too much like clown and clowns are evil.

There are other forms of the word merle. For example:
Merletiplicity- Having more than one merle
Animerle-Looking like a cartoon character
Merletiply-To notice more and more look-alikes of oneself.