It doesn't really have a meaning, it is just a childish way of spelling 'Tiger' and makes it a bit more amusing and interesting.
Tigger's birth name is Darien Morgan.
If you mean Tigger and Pooh on the Disney channel, the girl's name is Darby.
Big Tigger's birth name is Darian Morgan.
tiger
His name is Tigger. T-I-double g-er
tiger
tigger
I'm not sure if you meant Tiger or Tigger: Tiger = tigris (טיגריס) or namehr (נמר) Tigger is the name of a character from Winnie the Pooh, and it is the same in Hebrew as it is in English: Tigger (טיגר)
buster
Tigger
felis domestic Leo
Tigger! Tiggy! Memo! -Saralee