/ Dictionary / Index S stickup man: Meaning and Definition of Find definitions for: stick'up man" Pronunciation: [key] — Informal. Informal. a man who commits a stickup. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stickup stickweed Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language