The term 'figure (out), slangily' can be solved by the crossword solutions 'DOPE' and 'suss'. 'DOPE' is an informal term used to describe someone or something that is impressive, cool, or excellent. It is often used as a compliment. 'Suss' is a slang term meaning to figure out or understand something. It is derived from the word 'SUSPECT' and is often used in the phrase 'suss out', meaning to investigate or discover something.