What is Low Strung?
1.
adj. Not susceptible to stress. Easy going. Knows what is important and what is not. Deals with pressure well. Calm.
People at work are mean to Shirley.
Shirley thinks about the problem logically.
She talks to the people being mean and tells them, calmly, that she does not appreciate the way they are treating her.
See
2.
Someone, or something, wearing a g-string.
No
free range for Jim today, he's low strung!
See