'Howyamomanem' is a shortened, lazy way of asking "How is your Mom and them?" which itself is a pleasant greeting asking "How is your mother doing? And the rest of the family?" This phrase was originated in the 'coonass' areas of Louisiana (chiefly southern areas of the state), and in recent years has spread to other surrounding geographical areas.
Greeting, mainly used in Ireland, roughly equivalent to how's it hanging. there are many replys the most common is Grand. It is often followed by noun or adjective.
Can be used as a now describing some unsavoury characters roughly equivalant to scumbags