distractible
Adjective
Meaning
Capable of being drawn aside or distracted.
Source: Webster's dictionarySynonyms
Examples
Adrian was easily distractible by wacky topics and shiny objects.
I read the Bible when I was 12 while studying for my bar mitzvah. I was also reading a lot of Dilbert comics at the time, and I guess the two kind of got fused in my mind. I've always imagined God as an irrational, distractible boss. It's my best explanation for our planet.
I'm kind of a distractible guy.