Bet Slang: Meaning, Origin, Sentence Examples

Written by Gabriel Cruz - Foodie, Animal Lover, Slang & Language Enthusiast

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(Expression) Bet is an affirmation or approval of a person of another person’s actions or plans. It is mainly used by the younger generation called Gen Z and was made popular because of social media platforms. 

Bet can be used as an exclamation, as in “Bet!” to show approval. It can also be used as a confirmation. Either way, it denotes positivity and is used in a positive manner.


Bet was first heard in the 1850s, when betting and gambling were popularized. Then, the term “bet” became an affirmative expression. In the late 90s to early 2000s, “bet” has become one of the most used slang.

Demographic (Who Uses This Word)

The expression “bet” has evolved a lot since the 1850s. Generation Z or Gen Z started the trend using social media platforms and now is a common slang used in almost every conversation.

Bet Used in a Sentence

  • Example of Bet as an affirmation: You bet that I’ll be at your party and I’ll even be the last to leave after!
  • Example of Bet as an exclamation: Wait, you’re inviting me for a road trip? Bet!

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