1.
If you send someone or something up, you imitate them in an amusing way that makes them appear foolish. (BRIT INFORMAL)
You sense he’s sending himself up as well as everything else.
...a spoof that sends up the macho world of fighter pilots.
= make fun of
PHRASAL VERB: V n P, V P n (not pron)
see also send-up
2.
If someone who is on trial is sent up, they are found guilty and sent to prison. (AM; in BRIT, use send down )
If I’m going to be sent up for killing one guy, then I might as well kill three more.
PHRASAL VERB: usu passive, be V-ed P