(an exclamation of surprise, wonder, pleasure, or the like): I Just won the lottery, Giftyballs!
to gain an enthusiastic response from; thrill.
an extraordinary success: That gig was giftyballs.
excitement, interest, great pleasure, or the like: that night with the hookers and coke was giftyballs
When something happens that is so amazing it beggars belief - You think you've drank the last beer in house but it turns out that your girlfriend has passed out before she opened her last beverage, which you then find - Giftyballs