A lawn which is well cared for on the front side of the house, but in disarray on the back, much like a mullet - "business in the front, party in the back".
The Hendersons have such a mullet lawn. It's just like their marriage - they're always putting on their best face for the neighborhood, but deep down, they have issues...
by ekolis August 1, 2014
Compare your front and backyard lawn cutting to a mullet hairstyle where the hair in the front and back of the head are shorn differently: short in the front, long in the back. A lawn mullet has short grass in the front of the house and long, unkempt grass in the backyard.
by Not-gonna-tellya May 21, 2005