snake out verb5 •To move outwards like a snake.His hand was snaking out from the window. •To unclog a drain using a plumbing snake.The plumber snaked out the drain. •(slang) To inform; to rat •(slang, no longer used) To remove by dragging out, as removing a snake from its hole.Then snake out the item from its container. •(slang, no longer used) To crack a whip so as to wrap around a target.Snake out the horse's legs. formssnaked out · snaking out · snakes out