Someone who flees from an uncongenial situation

Contempt expressed by mockery in looks or words

The Fleer Corporation, founded by Frank H. Fleer in 1885, was the first company to successfully manufacture bubble gum; it remained a family-owned enterprise until 1989.

protein-coding gene in the species Homo sapiens

Fleer is a name and it may refer to: Craig Fleer Australian rules football umpire Frank H. Fleer, American confectioner who is thought to have developed the first bubble gum, founder of Fleer Harry Fleer, American actor John Fleer, American chef, cookbook author, and restauranteur Marilyn Fleer, Australian professor of early childhood education and development.

To smirk contemptuously