Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

do sth for a bet

(US usually do sth on a bet)

Definition

to do something dangerous or take a risk because someone says that they do not think you will: She jumped in the fountain for a bet.Taking risksGambling and bookmaking
(Definition of do sth for a bet from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)