Is a short word to describe an instant warmth/excitement or sometimes adrenaline from inside, After a cause of a significant action which could cause uncertainty.
The most common causes of a Hez rush can be experienced after eating a Triple cheese burger or going on spending spree e.t.c.
This is a fairly common affliction, when one has phlegm in their throat, and chooses not to "cough it away", and continues to speak, thereby sounding somewhat like a Munchkin.