'Blow-off' definitions:

Definition of 'Blow-off'

From: GCIDE
  • Blow-off \Blow"-off`\, n.
  • 1. A blowing off steam, water, etc.; -- Also, adj. as, a blow-off cock or pipe. [1913 Webster]
  • 2. An outburst of temper or excitement. [Colloq.] [1913 Webster]