Definition Of splitting
(of one's head) suffer great pain from a headache.
my head is splitting
(with reference to a group of people) divide into two or more groups.
let's split up and find the other two
betray the secrets of or inform on someone.
I told him I wouldn't split on him
break or cause to break forcibly into parts, especially into halves or along the grain.
the ice cracked and heaved and split
leave a place, especially suddenly.
“Let's split,” Harvey said