yobbo

n. mean and brutal person, one who harasses weaker people, roughneck, rowdy or tough person; hooligan

Yobbo or yob is a slang term for an uncouth or thuggish blue collar person. The word derives from a backslang reading of the word "boy" (boy or boyo reversed becomes yob or — slightly modified — yobbo).
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Noun
1. a cruel and brutal fellow
(synonym) bully, tough, hooligan, ruffian, roughneck, rowdy, yob, yobo
(hypernym) attacker, aggressor, assailant, assaulter
(hyponym) bullyboy

BULLO. FANNULLONE. SFATICATO. RAGAZZO DI VITA. TEPPISTA

slang. ผู้ชายที่ทำพฤติกรรมหยาบคาย (syn. yob)