Only took a few years, but I finally get the joke. When fisherman catch a fish, they pose with their thumbs up showing off the catch.
Only took a few years, but I finally get the joke. When fisherman catch a fish, they pose with their thumbs up showing off the catch.
Oh I thought it was like a sign saying “shove a thumb up your ass” or something like that
yeah I imagined it like this too, except ass was blowhole lol (but the scuba diving answer that people are posting in the comments ultimately makes the most sense now, which is neat)