When in a group chat i.e FB Messenger or a Facebook book comments section in which memes are consistently sent in quick sessions for a long period of time.
Dom: Dude how funny was last night in the group chat with all the funny pics.
Tony: It was a Mememathon and a half
Tony: It was a Mememathon and a half
by The New York Duke May 8, 2018
Get the Mememathon mug.