look up any word, like smh:
 
1.
casters(cast'rs), rockers stoners.people who attend concerts and wave their fist in the air as if casting a fishing rod.
Dude!I went to the Judas Priest concert last night.Man you should have seen all of the casters and rocker chicks.
by jimush August 18, 2006
 
2.
Verb:

1. To go both ways on an issue.

2. To attempt to have your cake and eat it too.
Obama totally Castered that health care reform debate when he tried to appease Republicans and keep that public option in at the same time.

Caster Semenya castered that race when she ran it with a pair of testes in her belly.
by Frank3780 September 11, 2009