Yu-yup 

When a mere "yup" doesn't seem to suffice.

Pronunciation key: yuh-YUP

Examples

First person: "I want to have sex with that guy/girl."
Second person: "Yu-yup."

First person: "What a jerk he/she was."
Second person: "Yu-yup."

Yu-yup by The Real MC August 26, 2014