/ Dictionary / Index Y yob: Meaning and Definition of Find definitions for: yob Pronunciation: (yob), [key] — n. Brit. Slang. a teenage lout or hooligan. y.o.b. Pronunciation: [key] year of birth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: yob (Thesaurus) yo yobbo Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language