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.