1) Aggressor 2) Assailant 3) Assaulter 4) Attacker 5) Brit lout 6) Bully 7) Hooligan 8) Roughneck 9) Rowdy 10) Ruffian 11) Tough 12) Yobo 13) Young troublemaker 1) Bullyboy 2) Hooligan 3) Muscleman 4) Roughneck 5) Ruffian 6) Skinhead 7) Thug 8) Yob 9) Yobo 
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). ==Britain== The XYZ section of the Oxford English Dictionary, published in 1921, does not include the word, but a later supplement notes .....
Uncouth, aggressive person.
Uncouth, aggressive person
an uncouth person