Slangy 'yes'

• 'Nope!' opposite
• Nope's counterpart
• Possible answer to "Do you have cheeseburgers?"
• Slangy yes
• "You betcha!"
• Nope counterpart
• Gary Cooper's affirmative
• Western "oui"

Wiktionary Word definitions in Wiktionary
n. (context informal English) A yes; an affirmative answer. part. (context informal English) yes.

Wikipedia Word definitions in Wikipedia
Yup can be: Slang for yes An abbreviation for Yellowdog Updater YUP (band) , a Finnish rock band. "Yup" (song) , a song by Easton Corbin