an exclamation of surprise
'Yowsa! when did your little sis sprout them tatties?
by whiskymack February 21, 2004
1 more definition
An exclamation of surprise, used in substitution for the word, "Fuck". Usually invoked when you have a bet that you will not use the "F word".
"Yowsa", cried Judy. That fucking hurts.
by keeldragger November 29, 2010