Yeowser 

A way of stating affirmative, yes.
Maybe from a certain ethnic group.

Yeowser this is a 1996 Chevrolet.

Yeowser by SouthernGal February 26, 2018

yowsers

an slightly scared exclamation similar to "holy crap" or "yikes". Made famous by Shaggy in Scooby Doo

"Yowsers, iiiiiiiiiis that a ghost in there Scoob?"

yowsers by Doctor Livingstone June 8, 2005

yowser 

holy shit

Yowser!! that girls got some tigobitties!!

yowser by the realy cheeky bastard September 24, 2009

yeowler 

when a meowler puts enough points into the 'scremming' attribute, it unlocks the yeowler skill tree

that yeowler can really screm

yeowler by Sky Commander Winkie June 13, 2020