'fall off' definitions:

Definition of 'fall off'

(from WordNet)
verb
Come off; "This button had fallen off"
verb
Fall heavily or suddenly; decline markedly; "The real estate market fell off" [syn: slump, fall off, sink]
verb
Diminish in size or intensity [syn: fall off, fall away]

Synonyms of 'fall off'

From: Moby Thesaurus

Words containing 'fall off'