cork up verb6 •To enclose in a bottle sealed with a cork.Here's a bottle to cork that up in. •To block with a cork or something similar.Cork up that pipe. •(figurative) To suppress an emotion or impulse.He's been corking that anger up for years. •To make (someone) be quiet.You gotta cork him up. •(slang) Shut up; be quiet.Hey! Cork up in there! •To put cork in a baseball bat; to use a baseball bat with cork in it.I'm sure's been corking up.He must have corked up that bat. formscorked up · corking up · corks up