something usually used in spain.. because Cristiano Ronaldo said it once like a "siii" but it has tured in something what usually dudes use,( because it sounds better wiith deeper voices.. but I mean.. go 4 it girl!!!) like a mixture between"YEAAH" and "OHHH SHIIT"
There was once an amorous older lady who was flashing an old man yelling "Suuuper sex!" Looking up at her, he says "I'll just wait for the soup, thanks."