Petting the ferret

The act of stroking a scraggly unkempt pony tail by a man.

Tom: "he is pretty proud of that pony tail"

jimmy: "yeah. he just stands there petting the ferret"

Ferret Cleavage

The ass cleavage of a man with a pony tail.

Steve: "Hey man, did you see Adrian down in the data center?"

Phil: "yeah, he had some serious ferret cleavage going on."