My date called both of us "two fat cats" ?

I am 5'3 - 138 lbs. I have belly fat.
My date (we are on very early state on dating) and I were hanging and eating McDonalds at 3am at his place. He said something like "Two fat cats are eating mcdonalds"

Should I get offended?
My date called both of us "two fat cats" ?
Post Opinion