A shortened version of "fiend" as in to fiend for something, jonesing,
jonesin' etc. Usually when so desperate for addictive substance that the "feen" or person "
feening" doesn't have time to complete the pronounciation of words, let alone entire sentences. Abbreviated for fiend.
FIEND:
1 a : DEVIL 1 b : DEMON c : a person of great wickedness or maliciousness
2 : a person extremely devoted to a pursuit or study : FANATIC *a golf fiend*
3 : ADDICT 1 *a
dope fiend*
4 : WIZARD 3 *a fiend at mathematics*
Example:
When I ran out of pot, I got crazy-like yo', I was
fiending... But now that I'm addicted to crack, all I can ever do is run around all crazy-da-bomb like super-yo'! and feen,
I'm like feenin' all the time now...