Adjective
zappy (comparative zappier, superlative zappiest)
(informal) Lively or energetic.
This is what I have done with the Ultra Renew Plus, and it has worked to eliminate the need to mist my face with water and has also taken away the zappy electrical feeling I was getting from the device handle into my hands. Source: Internet
I was only on it for a month,due to “feeling like i was phyco” then when I withdrew from them I had “zappy” sensations threw my body for two months after. Source: Internet