Is “Dirtbag” a Scrabble word?
Yes
DIRTBAG
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Dirtbag
noun
1.A dirty, grimy, sleazy, or disreputable person
2.(climbing) A poor climber, alpinist, skier or other outdoorsman who lives cheaply, without normal employment, and with few amenities in order to spend as much time on their sport as possible. Used praisingly.