Dictionary
Words, grammatical forms and meanings linked to the ontology.
pack on en · VERB
Meanings
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(informal, transitive) To add (fat, muscle, etc.) so as to increase mass or bulk.
Most strength coaches agree that to gain an inch on your arms, you have to pack on at least 10 pounds of body mass.
2006, Joel Marion, Men's Fitness, Dec/Jan, p. 102The nine males packed on so much fat their weight increased to more than 700 grams.
2010 October 21, Margaret Munro, “Dad's eating habits weigh heavily on offspring: study”, in Vancouver Sun, Canada, retrieved 13 Nov 2010:
Forms
Deriveds
pack on the pounds