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1.
When a seemingly heavier person no longer refers to when an event took place using normal times, but instead makes this clear according to their weight at said time.
Person 1: "Dude, that concert was forever ago!"

Person 2: "Yeah, almost 20lbs ago..."

Person 1: "Since when do you talk in pound years?"
by NoOneOfConsequence123 August 13, 2011