Gruff: (N) The prickly facial hair on a male human. Often makes a male appear more mature than he actually is. Is greatly appreciated in many cultures, and seen as an attractive "boost".

the word gruff describes a particualar type of grim muff therefore gruff

cool, awesome, tight, groovy

In a lesbian relationship, the dominant character or 'male' is the gruff.

When playing Tiger Woods golf and you hit your ball in the grass and the rough.

Gruff is a term for pubic hair. Mostly for men.

Old ladies pubic hair- from the terms muff and gray.