Meaning you really want to hit someone so your finger inches to slap someone like in romeo and juliet.

or in more current times an itchy finger is saying i want to pull the trigger on this gun and kill someone.
Storti: give me the drugs

Griffith: nahh not till you give me the money

Storti: hey bitch i gotta itchy finger for blood right now so just give me my shit.
by womantor June 2, 2009
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the most annoying itch
more annyoing than itchy ballz and obviously horrible spelling errors
omfg!itchyfingerz are t3h suk!
by DFS February 13, 2005
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Like trigger-finger, when you click your mouse one too many times in a hurry and end up in some world you didn't even know existed.
Damn, I was just trying to post on Facebook but my itchy clicker-finger sent me to a Bible Study group.
by latefordinner February 11, 2018
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