Caff-head 

Similar to a Pot-head except one is addicted to gets high off of caffeine.

Joe drinks so much Coke, so often, He's a total Caff-head.

Caff-head by Fitzy Marlote June 14, 2021

Caffhead 

a caffeine addict.

possibly caffeine dependant, possibly into the energy boost.

I genuinely can’t believe this has only been added here this year, been used for years.

‘I had 4 cappuccinos at the café and 3 more when I got home’

You absolute caffhead

Caffhead by fortnite biscuit July 9, 2021