slob

Concise Oxford English Dictionary © 2008 Oxford University Press:
slob/slɒb/

▶noun

• 1 Brit. informal a lazy and slovenly person.

• 2 Irish muddy land.

▶verb Brit. informal behave in a lazy and slovenly manner.

– derivatives
slobbish adjective,
slobbishness noun,
slobby adjective.

– origin C18: from Ir. slab ‘mud’, from Anglo-Ir. slab ‘ooze, sludge’, prob. of Scand. origin.