What is Fill-in Friend?
1.
A person who is a friend, only when your other friends are not present.
Also referred to as a "number two". Any social networking site has a Top Friends, and the number is your next best friend.
"Well, John isn't here, so I guess I'll have to talk to my fill-in friend."
"Amy had to go to the concert, so I guess it's just me and the number two."
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Random Words:
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A mom that likes to give milkshakes/blow jobs.
I just got the best BJ from that Milkshake Mamma
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The vaginal, anal, and oral penetration of a single woman by three men while she is jacking off two additional men.This process take 25 ..