1 definition by Santiago Falcon

That one friend of the group you want to be a part of, may be the ugly one or fat one. They instantly accept you due to low self esteem and you then take steps to move from fatty or ugly to the attractive ones or fun ones.
J: Hey I'm hangin with Lisa after work
K: Eww dude, shes like 350 lbs!
J: Don't worry, shes just my Gateway Friend. I'm getting closer to Vanessa and Kylie
by Santiago Falcon April 8, 2009
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