Answer:

STER

Answer	Crossword Clue
STER	Mob or gang ender
STER	Prank follow-up
STER	Tip tip

STER	Gang or mob follower
STER	Suffix for hip or gang
STER	Trick finisher
STER	Young or old ending
STER	Gang follower
STER	Suffix with fun or pun
STER	Ending on hip
STER	Prank ending

STER	Young or hip ending
STER	Hip ending?
STER	Mob ending?
STER	Mob tail?
STER	Ending for team or song
STER	Suffix for tap or tip
STER	Trick ending?
STER	Pun add-on?

STER	Dump closure?
STER	Game ending?
STER	Gang addition?
STER	Road closing?
STER	Drag follower
STER	Hip add-on
STER	Poll closing?
STER	Fun ending

STER	Gang follower?
STER	Suffix with dab
STER	Suffix with poll or prank
STER	Gang suffix
STER	Mob follower?
STER	Ending with quip
STER	Mob addition?
STER	Trick ending

STER	Dump closing?
STER	Joke ending?
STER	Poll closure?
STER	Silver fineness meas.
STER	Suffix with road or hip

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.