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it is an acronym of 'i fucking guess', used to express ig (i guess) in a violent way because ifg thats cool now
mark: yo marc wanna go to a gay club
marc: im straight but ifg

or

blanca: do u like insert dead fandom
bianca: ifg
via giphy
by looocs February 24, 2019
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3
In for god
It's used when youre loosing your hope and only thing that can help you is God. So you leave everything on him or get dependent on him by saying ifg.
by Uzzycrazy June 12, 2018
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