Corny By EvilMay 12, 2014February 25, 2020Popular Expression Corny = trying to be cool or funny, but ultimately being very uncool or unfunny (*Similar meaning as the slang “cheesy” = not cool) Ex: He thought his joke was funny, but I thought it was “corny” and stupid. Ex: Whenever he talks to girls he always says the same “corny” pick up lines. BACK to Popular Expressions