To conspicuously spy/creep on someone from a distance while hiding your face behind an object.
We were at the beach and he was ferning on girls from behind that restaurant menu. Everyone saw him though.
by cabaretebandit June 8, 2010
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I fingered her and she had major fern. Shave that shit, girl!
by theradiokilledmusic December 29, 2011
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a kikdykgger
fern is a dirty kikdykgger, the worst of all the inferior
by offsetlion July 4, 2022
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Dirty, redneck, rabbit-like SEX in the woods!
Are Dewane and Jennifer fernin' over yonder?
by Hog Nicholson November 30, 2006
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A fat bum who sits around all day playing nothing but video games who thinks he is god and compares himself to singing birds. Who thinks he is intelligent when all beg to differ. Who cries and whines constantly. Who throws himself into walls in front of everyone and says he couldn't walk anymore because his heart was ripped to shreds. Who thinks he'll have a life after high school, when his mom still buys his clothes. Who will never know what brand clothing is. Who will stay a virgin until he is well over 40. Who will be on his death bed wishing he could go back and play Halo with his teenage friends.
Whoa! Stop acting like a Fern!

Man, that kid is so fern.

Stop Ferning me!

by Leslieoh July 1, 2006
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Fern: A very potent fart,a very squeeky release.

The origin of Fern came from the actual sound that erupts from the anus
i.e Ffrrnnn
That guy just did the smelliest fern I've ever smelt!
by MissBubble January 6, 2005
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