Séan or Jack is a loud energetic and kind person. As of February 2019 he is 29 years old. This man has a YouTube channel with over 21 million subscribers!
by SongBird_youtube February 14, 2019
Get the JackSepticEyemug. by GadriX December 23, 2019
Get the Jacksepticeyemug. 
A funny, childish, loud, energetic, Irish YouTuber who will always be there for you even if he doesn’t know it, he’s the heart and soul of PMA (Positive Mental Attitude) he will always make you laugh or even crack a little smile, he’s also very in touch with his feminine side and isn’t afraid to show it, we love jacksepticeye
Friend: why do you like jacksepticeye so much, he’s just a man playing video games
Me: look him up in the Urban Dictionary, then you’ll understand
Me: look him up in the Urban Dictionary, then you’ll understand
by Random girl who gives out UwUs May 28, 2019
Get the Jacksepticeyemug. A loud and amazing irish youtuber. A.k.a. Seán William McLoughlin. He us one of the most successful youtubers with over 14 million subscribers. He is also very good friends with Pewdiepie, Markiplier and many others. He has a girlfriend Signe Hansen and she also haves a youtube chanell Wiishu.
by MinionMaster93 March 19, 2017
Get the Jacksepticeyemug. by Noisypoetryprincess October 7, 2020
Get the Jacksepticeyemug. An absolute Boss Irish YouTuber that has 23.8 Million subscribers and has a channel full of variety e.g. gaming ; Meme Time ; Jacksepticeye's funniest home videos ect.
by Floorgang hooo May 5, 2020
Get the Jacksepticeyemug.