Icebrain 

Someone who is stupid, or confused at every given moment.
.

Emma: Kait, you icebrain, your water is literally right behind you.

*Kait proceeds to look left, and is confused why she can't see her water.

Icebrain by Vulcan-A1 January 21, 2022

icetrain 

see wordfag/word

Uses www.gunradio.com as a tool to pick up men.

<GUNrIceTrAiN> Hey guys, I'm a fag!

icetrain by ScreameR August 20, 2003

Ice brain 

Another name for meth head

That creep is an ice brain

Ice brain by Operator36 March 9, 2023