Similar to "one guy one jar" or other shock content often shared in private Discord servers or forums to prank users.
It seems you're asking about a specific video file titled . My Grandpa and Pops Are Fucking.mp4
If you are looking for information on why people use these specific nicknames, "Pop" and "Pops" are commonly used as affectionate terms for both fathers and grandfathers, depending on regional and family traditions. Similar to "one guy one jar" or other