A phrase
said in complete and utter shock, an advanced way of saying WTF or something along those lines.
Can be
said in three ways:
"W-T-F-sicles",
"whatthefucksicles",
or,
"whalesthatfloatsicles".
They are all spelled as WTFsicles and
mean the same exact thing, it's your choice which one to say.