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
by Noisypoetryprincess October 7, 2020
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 6, 2020
Jacksepticeye is an amazing, loud, Irish Youtuber who just reached 20 million subscribers. Jack or Sean is very popular on Youtube and has inspired people to Be Themselves and Never Stop Following Their Dreams since 2007.
Jacksepticeye is the BOSS!!
by The_Fug September 4, 2018
When a individual goes to high five another person but gets denied, he high fives the air and screams gibberish at the top of his lungs.
by Mrdeadfishrock February 26, 2017
Person 1: Hey did you see the new jacksepticeye video?
Person 2: Of course I did, He always makes me smile when he calls me a snack
Person 2: Of course I did, He always makes me smile when he calls me a snack
by GayBoner69 October 25, 2020
by Dorito man July 4, 2021