Someone told me today they liked my “purple dinosaur shirt”

I said “thanks but look, this one is Bigfoot, and this one is the Loch Ness monster” while pointing and he said, and I quote, “oh yeah, I remember those.” What did this mean???

I said “thanks but look, this one is Bigfoot, and this one is the Loch Ness monster” while pointing and he said, and I quote, “oh yeah, I remember those.” What did this mean???