immoral compass

The means by which some people are guided to do the wrong and unethical thing when no one is watching in most circumstances.

While healing in the hospital with a broken jaw, Ron thought about how he could restrain his immoral compass after a night where he stole cash and weed from Chuck while he was making out with Diane; told Diane that Chuck had herpes after he left the party; and then crept into Chuck's car to sleep afterwards only to wake to Chuck's spinning backfist.