another way of saying "want to" or "going to". it says something u want to or are going to do. usually used by african americans or people who like to talk like them.
"Ay dog! I filna get my groove on up in this bitch" "I filna run up on that spot" or " I was filna cuss that bitch out!"
by sk8r7eleven November 17, 2007
Can you define these popular missing words?