It's the sort of word you will hear in the rapper 'Luh Kel's' song from his album 'Mixed Emotions.'
It means
feigning or
faking a move but also may mean
pining for something, can be a gestural thing or expressed in dance.
Luh Kel: Now you see me feenin,' fallin in the deep-end but all your love it got me
schemin'Me: Now I want to look "
feenin'" up on Urban Dictionary to find its true meanin!
You: *Votes my definition in* because how few other examples of a def on the word there are