shitful adjective 1noun 1forms 3 adjective1 •(slang, vulgar) Full of unpleasantness, inferiority, or something distasteful; completely shitty (all senses)I wouldn't have missed this wedding for anything in the world even though those bridesmaid dresses are shitful. — 2010 noun1 •(slang, vulgar) A tremendous quantity or amount.He was raising a shitful of money. — 2015 formsshitfuls · more shitful · most shitful