The term 'excellent, slangily' can be expressed in a variety of ways. The crossword solutions for this term include 'CRACKERJACK' (11 letters), 'PRIMO' (5 letters), 'PHAT' (4 letters), 'ILL' (3 letters), 'rad' (3 letters), 'ACES' (4 letters), and 'waycool' (7 letters). 'CRACKERJACK' is an old-fashioned term that means excellent or outstanding, while 'PRIMO' is a Spanish word meaning the same thing. 'PHAT' is a slang term derived from hip-hop culture that means excellent or attractive. 'ILL' is another slang term that means excellent or cool. 'Rad' is a shortened version of the word radical, which is used to describe something that is exciting or impressive. 'ACES' is a slang term that means perfect or top-notch. Finally, 'waycool' is a combination of two words that mean very cool. All of these terms are slang expressions for the word excellent.