Noun. chub (countable and uncountable, plural chubs) (slang, countable) A chubby, plump person. (LGBT slang, countable) An overweight or obese gay man.Click to see full answer. Thereof, what is considered a chub?chub or chubs. 1. Any of various usually stout-bodied freshwater fishes of the family Cyprinidae, especially a Eurasian species, Leuciscus cephalus. 2. Any of various other fishes, such as several freshwater whitefishes of the genus Coregonus or various marine fishes of the family Kyphosidae.Similarly, what does chub up mean? chub-up. Verb. (third-person singular simple present chubs up, present participle chubbing up, simple past and past participle chubbed up) to become chubby, to get fat. Secondly, what does the term half chub mean? A half erect penis, either a result of being only partialy aroused, or being paranoid of being caught. Meaning of Half-chub and Definition of Half-chub.What is a chub of ground beef?Our final type of packaging is ground beef chubs. These come in a variety of package sizes and are essentially rolls of ground beef that have been tied at each end and vacuumed sealed to keep air out. These are great is you want to freeze your beef. Since they are airtight, the meat will appear purple-ish.