send a message

mixed message

Any communication that is contradictory, inconsistent, or unclear, especially in its motive or intent.

send away

To dismiss from one's presence.

send away for

To write to a business or other organisation, requesting a thing.

send for a toss

To use or invest on the off chance.

send shivers down someone's spine

To terrify; to make someone feel extremely nervous.

send someone packing

To expel, eject, or dismiss someone; to send away, chase off, or force out; (from a job or employment position) to fire.

send someone to the showers

To remove a player from a particular team competition before the conclusion of the event, especially because that player's contribution on this occasion has been below his or her expected level of performance.

send to Coventry

To ostracize, or systematically ignore someone.