from fundamentals.
Used to seek an explanation behind a term, question or concept. i.e. the fundamental issue behind an idea.
What's the funda in calculting the cummulative GPA?
From the root 'fundametal' this is slang for the underlying principle in something usually complex.
Usually used in place of 'secret' when enquiring someone about their sex life, their recipies, their smooth hair, their popularity et cetera.
a: what is the funda of a cryogenic engine?
b: solid fuel, you dumbass
going to, fixing to, etc. etc.
I'm funda go to da' sto' and get like 10 40's, fa'reezy.
Meaning is apparent when spelled out- f u n d a ("F" you in the "a")- implying anal intercourse. This word was invented by Aaron Lea in 2006.
Useful in situations where you want to cuss someone out to their face, but don't want to get in trouble. "That's funda do"