When your man is outside doing yard work, especially involving cutting down trees and chopping wood and he is looking like a SNACK.

someone who is sexy beyond mean

When you can imagine an individual (usually male) who can pull off red checkered shirts, suspenders and denim jeans, in doing so looking like a chunky SNACK!

A cute bearded man who wears flannel

A woman shits out a (log) onto the shaft of a man's erect penis. She then proceeds to give the man oral sex. She is eating a log on wood, hence, lumbersnack.