The color one's face turns when one realizes one has deposited a shart in one's pants.
"First he flinched, then he turned a bright shartreuse, then we smelled it."
by LongStrokin'YerMomma July 31, 2009
When a person has a delightfully greenish shart.
When he thought he was passing gas he ran to restroom only to find shartreuse in his shorts.
by JnewTX October 10, 2011