when combining "yep" and "yup" you get this word and usually it is unknowingly done aloud by the person until someone else points it out while in mid conversation.
yeup!
by yeupgirl January 17, 2011
Another way to say 'yup' or 'yeah'
by Jaja OW May 11, 2006
by Nizzzllle October 22, 2009