Save the endless amounts of energy i know you use everyday saying 'no pun intended..' by combining unintended and pun in to one word.

lulz ensue when people mistake the word for 'pun-intended'

Means no pun intended.
Instead of wasting your precious life away with the laborious task of spewing out "no pun intended" the words "unintended" and "pun" have been fused together to create the ultimate word, saving an entire syllable: punintended