The term 'POP OFF' can be broken down into four crossword solutions: DIE (3 letters), RANT (4 letters), ADVERTISE (9 letters), and FALLASLEEP (10 letters). 'DIE' is a verb meaning to cease living, while 'RANT' is an expression of strong feelings or opinions. 'ADVERTISE' is the act of making something known to the public, and 'fallasleep' is the act of going to sleep. Together, these words suggest that when something 'pops off, ' it quickly dies, is expressed strongly, is made known to the public, and then fades away.