Yup means yes.
- Yup is defined as slang for yes.
An example of yup used as an interjection is in the sentence, "Yup, I'll go to the supermarket today."
Slang yes: an affirmative reply
Origin of yupAlteration of yep.
Origin of yupShort for yuppie.
- (informal) A yes; an affirmative answer.
- (informal: a yes): nope
- Yale University Press
- Young urban professional