ooey-gooey adjective2 •(informal) gooey; stickyOoey-gooey stuff. Whipped cream, guacamole, chocolate sauce, maple syrup, potato salad, cottage cheese, fruit salad, jello, pies. He'd even mix cake batter and pour it on me. — 2010 •(informal) sentimental; mawkish formsmore ooey-gooey · most ooey-gooey