Other forms: slobs
A slob is a lazy and untidy person. A lazy slob, don't be a slob, a slob at home.
It is informal and insulting but not obscene, and it is used of oneself as often as of others. The word came from Irish, where slaba meant mud or ooze, and the sense of sloppiness followed the image.
1nounslobA lazy and untidy person.
“My flatmate is a slob who leaves dirty plates all over the living room.”
slob is a person.
From Irish slaba, mud or ooze. The English sense of an untidy person came from the image of sloppiness.
Irish
slaba
English, today
slob
From Irish slaba. Compare slobber, which is of Germanic origin.
Etymology from Wiktionary, CC BY-SA