A philly flim flam is when you take a ballon filled with nitrous and while pinching off the top of the balloon you apply a liberal amount of cocaine.
Then you do the balloon straight up your nose.
enjoy.
The bond between two brothers, two male friends, or the mutual affection between two males who are biologically related and share the same mother and father.
Peter and Jason, who are brothers, share a strong sense of flim flam manuka, they cherish this bond very much.