flipside

noun4

1. •
   The reverse, in contrast to the obverse.
2. •
   (informal) A necessary consequence or corollary of something that acts as a negation or counterbalance; especially one seen as opposite, or as pro versus con.

   • Walking to work is definitely healthier – on the flipside, though, it takes twice as long.
3. •
   The B-side of a phonograph record.

   • Nice tune. What's on the flipside?
4. •
   (informal) The occasion when we meet again (e.g. when I return from work, etc.; said on parting); later or tomorrow.

   • See you on the flipside!