1 definition by Azile E.

1. Imperitive. A command to step up one's enthusiasm when responding 'yes.'

2.Exclamatory. An affirmative reply that indicates greater enthusiasm than mere 'yup.'
1. Dad: Are you going to help your brother mow the yard?
Son: Yup.
Dad: Yup up, young man!

2. Want to get pizza?
Yup up!!
by Azile E. May 25, 2023
Get the Yup up mug.