The most annoying people in existence and usually leave you guilt-ridden when you get rid of them. Usually are people who you have no interest in gaining any form of relationship with, but one friendly remark and you have a new buddy.
EXAMPLE 1
Terry: *Sitting on the bus*
Hoit: Hey Terry, nice shoes
Terry: Uh, yeah...thanks...
Hoit: OH MY GOD we are exactly alike
Terry thinks: Goddammit insta-friend...
EXAMPLE 2:
Jack: Hey Josh, do these stick-
Josh: STFU GTFO
Jame: Hey man, wtf that was harsh
Josh: I don't need another insta-friend
Terry: *Sitting on the bus*
Hoit: Hey Terry, nice shoes
Terry: Uh, yeah...thanks...
Hoit: OH MY GOD we are exactly alike
Terry thinks: Goddammit insta-friend...
EXAMPLE 2:
Jack: Hey Josh, do these stick-
Josh: STFU GTFO
Jame: Hey man, wtf that was harsh
Josh: I don't need another insta-friend
by The PBEEF October 01, 2009
Lana is not going to become insta friends with her Dad, who was never in her life, just because he gave her a credit card.
by MACbihh April 03, 2009
Oh, look it's sarah, she has to make insta-Friends cause she's to much of freak to get real one's. Let's go laugh in her face.
by Fitz Bailey January 21, 2007