Possible Clues:

• Suddenly fashionable activity
• Soundly stopped what five is on, everybody wants to be on it
• Vehicle (jumped on when suddenly popular?)
• Popular movement to ostracise fwightful woman
• Ring comedian about vehicle for musicians
• Transport climbed upon for personal advancement
• Pop group to keep waving in fashionable cause
• Performers may succeed in jumping on this
• Can't stop shaking, following gang: I might be jumped on
• Fashionable movement