One of the women in the group of NZers in our row encountered sexually explicit and derogatory comments from the yobbo, loud-mouthed Australian behind us.
From the nzherald.co.nz
The BBC has become the home of any rent a quote political yobbo they can find to fill the space between the one or two decent programmes they have.
From the guardian.co.uk
So why have a hack like him on that alienates actually smart people, while doing nothing to attract yobbo listeners who might eat up his flimsy tidbits hollywood-esque gossip?
From the economist.com
More examples
Bully: a cruel and brutal fellow
Yobbo or yob is a slang term for an uncouth or thuggish working-class person. The word derives from a back slang reading of the word "boy" (boy or boyo reversed becomes yob or -- slightly modified -- yobbo).
A yob
Unintelligent/crude person usually male
Loutish, surly youth.
An uncouth person; lout or hooligan; also represented as yob
Noun. Meaning the same as 'yob'.
Uncouth and aggressive person
Or yob - uncouth male. Also used in British English.