A phrase said when something is sure to happen. A guarantee.
Example 1
Don: You going to the ice cream social tonight?
Craig: You bet your dick and balls I am!

Example 2
Craig: Are you trading that Carlton Fisk baseball card?
Don: You bet your dick and balls I am!
by fartmaster69 October 31, 2011
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It means the same as the phrases, "you bet your ass" and, "you bet your dick and balls".
That is, you're absolutely, positively, 100% certain about the final outcome of a situation.
{Seen on a website about flashlights, LEDs, and lasers}:
I tried to cut through the outer casing to bare metal with the blade of a Swiss army knife, and with some minor difficulty, I was able to do so. This shows the unit has a Type II anodized finish to it (...)
Would I really cut up a brand spanken new $450.00 laser? You bet your sweet patootie I would, if it's in the name of science.
by Telephony May 28, 2015
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A term used when one has no facts or strong arguments to support some bull shit that he had said. Usually used when the user of the term is confident that the other person has no knowledge on the matter.
Bill: Did you know that the narwal is the only mammal to have a horn?

Joe: I think it's really a tooth.

Bill: YOU WANT TO BET?!?!?!
by ÆNK June 19, 2010
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Bob: "Hey Joe, wasn't that just the greatest movie that we just saw?" Joe: "You can bet your biffy that it was, Bob!"
by terra esoteric December 24, 2009
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Wishing to make a wager with someone. Sometimes, being overused and rather useless in its meaning.
This saying is often spoken by a some gamers on Grand Theft Auto 5 Online.
Hey, how's the whether today?
How much you wanna bet?

Say, what's for lunch?
How much you wanna bet?

Do don't even have any money.
How much you wanna bet?
by BluBaron45 December 9, 2013
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Tellin someone you bet they won't do something, particularily you bet they won't start a fight.
Girl I'm bout to beat his ass!

I bet you won't swing!
by JYahhh December 22, 2009
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When you're basically certain about something.
Friend 1: We gotta find the cottage, the map says it's the only building in the area

Friend 2: I see a house in the woods over there

Friend 1: What are you willing to bet that's the cottage?
by Yos Doggo June 22, 2022
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