Standing upright, especially to deliver a speech. Come on then, stand up on your hind legs and say a few words about this company you've helped create!Forgive me if I seem nervous, but I'm not used to standing on my hind legs in front of a large group of people.See also: hind, leg, on
on your hind legs
standing up to make a speech. British informalSee also: hind, leg, on