yellup originally from 'hellup'
short for 'shut the hell up'
idealy used when someone is saying
something that you dont agree with and you
cut them off.
Hellup is used out of anger whereas yellup is more commonly used at any arrangement.
To imply emphasis extend the word i.e. yeeellluuuuuuup!
Isa: No one is allowed to come over the house to drink or play beer pong....
Everyone: YELLLLLLLLLLLLUUUUUUUUUUUUUUUP!
Myko: Let's Go to Mike's
Dogs for din...
Jesse: HELLLUP!
Myko: I'm Gay!
Everyone: YEEEEEEEEUUUUUUUUUUP!
Cory: Who dented my truck?
Jesse: Yelllllllllllluuuuuuuuuuup!
G: I love jews from mars!
G: YELLUP to myslef!