The definition of a slob is a messy, lazy and unkempt person.
A messy person is an example of a slob.
Informal a sloppy, coarse, or gross person
Origin of slobIrish slab, mud from Scand: see slab
A person regarded as slovenly, crude, or obnoxious.
Origin of slobIrish Gaelic slab mud from Old Irish probably of Scandinavian origin Swedish dialectal slabb mud
- slob′bish slob′by