Having scruples; having or showing a strict regard for what one considers right; principled.
If we aren't careful and scrupulous in considering which entries we allow on Urbandictionary.com we may end up with some definition about two monkeys screwing where it shouldn't be.
She behaves scrumbulous whenever mom arrives from work.
Immediatelythe policewalked in, she became scrumbulous.
You can't fool me, I know you're just being scrumbulous