Lazy wiper

Person doesn't put enough effort wipping there ass leaving shit residue behind

I smelt Bill over there he is such a lazy wiper

Lazy Windshield Wiper

When your balls are too heavy to do a full helicopter rotation with your dick, so your penis just flops over in a half circle- much like a sad, lazy windshield wiper.

Tyler tried to cheer me up, so he whipped out the lazy windshield wiper.