The crossword solutions for the term 'HOBBY, SLANGILY' are BAG. A hobby is an activity that someone does in their free time for enjoyment or relaxation. Slangily refers to the use of informal language or words that are not part of the standard vocabulary of a language. Therefore, the term 'HOBBY, SLANGILY' can be interpreted as an activity done for fun or relaxation that is referred to using informal language, which can be shortened to BAG.