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A measurement of time used to describe the average duration of teenage friendships and romantic involvements. Usually denotes a time period of between 2 weeks and 3 months.
-OMG, we will be BFFs 4ever!

-Ily 4ever boi!

ily bff
by Kiwime April 28, 2013
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2
lit. forever

A measure of duration.

syn. without end, infinitely, unceasingly
1) Best friends 4ever!
2) A: How long will this crappy war last?
B: Possibly 4ever?
by Victor U. June 13, 2007
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