Head smashing was also present enough in episode 5x09 to give us reason to believe Negan is around. When Noah found his old house, he found his mother with her head smashed in the living room. Very similar to what Negan did to Glenn.
A trade-off is a situation where you make a compromise between two things, or where you exchange all or part of one thing for another. ...the trade-off between inflation and unemployment. American English: trade-off
DEFINITION of 'Pairoff'. 1. A purchase of securities to offset a previously transacted sale of the same security. 2. A transaction in securities markets where off-setting buy and sell trades are settled in cash, based on the difference in the prices between the off-setting trades. No securities trade hands; instead the settlement difference between the trades is calculated, and a money wire is sent to the appropriate party.