What is Hallahan?
1.
Someone You Generally Can't Stand Maybe It's Their Face, Personality, Social Skills Or Lack Of Intelligence; You Try Your Absolute Hardest To Get Away But Always Resulting In Failure.
Example:
Person 1: Shit Me It's The Hallahan, Hide.
... 1 Minute Later...
The Hallahan: Hey Guys, Ooo I Love Hide And Seek!
dicktit Hallahan
See