/ Dictionary / Index J jerk-off: Meaning and Definition of Find definitions for: jerk-off Pronunciation: ( jûrk'ôf", -of"), [key] — n. Slang a stupid, bumbling, foolish, or lazy person; jerk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jerk-off (Thesaurus) jerkinhead jerkwater Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language