Stallworth got his revenge, sneakily getting a photo taken of him with his harms around Duke.
The pantheon of Sediuk pranks ranges from sneakily clever to blatantly rude.
Having pulled the excited mare into control and dismounted, I looked round, sneakily sideways, for Monty.
(also sneak preview): After a sneak in Chicago they decided to shelve it
To show a movie unexpectedly to an audience in order to assess its appeal: We sneaked it in several cities (1960s+ Movie studio)