What does a '777' tattoo mean?

Hand drawn Jackpot slot machine doodle Casino gambling in sketch style Vector illustration isolated on white background

Illustration about Vector illustration of 777 - winning in slot machine Illustration of slot, gaming, fortune

777pg slot make your next tattoo a sure thing! #slotmachine #777 #coins #gambling #money #vegas · #slotmachinetattoo #onearmedbandit #blackandgray

777 casino slot Shots of my 777 Slot Machine tattoo on my right arm