We opened the very first rock climbing gym in America in 1987 on Elliott Ave in Seattle. The gym was no more than rocks glued to painted plywood panels.
shake a leg in British English. old-fashioned informal âº used to âtell someone to âhurry or âact more âquickly: Come on, Nick, shake a âleg or we'll never be âready in âtime.
I don't necessarily think it's a sign of either. There could be many reasons why someone is shaking their legs: medical reasons, side effects from medication, uncomfortableness from sitting or being still, the inability to sit still, and, yes, nervousness among others.