Jack-u san means the person who has spent most money on roblox. Likes bad memes and sends them to others
"You can become Jack-u san by spending $1 million on roblox"
"Jack-u san keeps sending me bad memes"
"Jack-u san keeps sending me bad memes"
by This is my actuallly real name February 4, 2019
Get the Jack-u san mug.Related Words
Jack-u san • jack-u-later • Jack-u-up • Jack • jack off • jack sparrow • jack in the box • jack hammer • Jack Bauer • jack dylan grazer