Squeaker \Squeak"er\ (-[~e]r), n. 1. One who, or that which, squeaks. [1913 Webster] 2. (Zool.) The Australian gray crow shrike ({Strepera anaphonesis}); -- so called from its note. [1913 Webster] 3. (a) A contest won by a small margin. (b) A narrow escape from harm. [Colloq.] [PJC]