chub up
Verb
Meaning
chub up (third-person singular simple present chubs up, present participle chubbing up, simple past and past participle chubbed up)
(slang) To become chubby; to grow fat.
Verb
chub up (third-person singular simple present chubs up, present participle chubbing up, simple past and past participle chubbed up)
(slang) To become chubby; to grow fat.