The sharp shock is due to charges built up in your body being electrically neutralized by the electrons hopping from the metal you have touched.
(The sharp shock; is; due to charges built up in your body being electrically neutralized by the electrons) (charges; built up; L:in your body) (the electrons; hopping; from the metal) (the metal; have touched; you)
The sharp shock charges the electrons the metal
is built up hopping have touched
due to charges built up in your body being electrically neutralized by the electrons
L:in your body
from the metal
you