WordNet (r) 3.0 (2006):

flake off
    v 1: come off in flakes or thin small pieces; "The paint in my
         house is peeling off" [syn: peel off, peel, flake
         off, flake]

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "flake off":
   be off, beat it, begone, clear out, desquamate, exfoliate, flake,
   get, get going, get lost, get out, git, hit the road,
   make yourself scarce, peel, scale, scale off, scram, shove off,
   vamoose