Someone who says they will pick you up in an hour, however fail to show up. Then a true Gedalin keeps setting longer time periods which they again fail to arrive.
Yo I'll be there in an hour.(Hour Passes)
Yo I'll be there in 45 min.(45 min Passes)
I am on my way (Still at home)

"Yo you G*Y, you were a real Gedalin yesterday. Not cool."
"I talked to a couple of kids including some seniors and they all said you were a Gedalin"
by Truedat223 March 29, 2012
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