What does FF5 mean?
Family Force 5
Other definitions of FF5:
- Family Force 5 (band)
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How to use the term FF5:
There are no example uses of FF5 at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:

YOUNGIN
young person

AFU
All Fucked Up

VLEO
Very Low Earth Orbit

EYO
Hey, yo(u)