Noun
wiggle room (uncountable)
(informal) The opportunity to make alternative decisions or to pursue other courses of action, especially any involving only minor changes to one's present situation or course.
I try not to violate what came before me and to leave lots of wiggle room for those who will follow. Len Wein
If you give an actor any wiggle room to whine in situations where they want to whine, you're gonna whine. Emile Hirsch