noun

• (by extension) Any of various vaguely related marine or freshwater fishes.
• (by extension) Any of various vaguely related marine or freshwater fishes.

noun

• (countable, slang) A chubby, plump, or overweight person.
• (countable, gay slang, specifically) An overweight gay man who is part of the chubby subculture.
  "It could be any dude, as long as you really want to fuck him. It could be a... a twink, a bear, an otter, a circuit queen, a chub, a pup, a gipster, a daddy chaser, a leatherman, a ladyboy, a Donald Duck. Donald Duck's a gay guy who's been kicked out of the Navy."
• (countable, slang) An erection of the penis.
  "I shift in my seat trying to get comfortable refusing to believe that my dick is in full chub mode right now because of the girl whose pigtails I used to pull to try to drive her crazy when she was younger."
• (countable) A plastic or other flexible package of meat, usually ground meat or luncheon meat.
  "One thing that makes recovering product harder is grocery stores' and restaurants' practice of regrinding one company's lot, or "chub," of meat with those from other companies, thus making trace-back harder."

verb

• (US, Texas politics) To stop a bill from being passed using procedural delays.
  "The Texas House, where, with the 140-day legislative session nearing an end, the Democratic minority "chubbed" a voter ID bill, and coincidentally more, to death."