up (one's) street(redirected from up their street)
up (one's) street
Suited to one's interests. I really like Romantic poetry, so this class on John Keats is right up my street. I'm sure Dave can fix your car—mechanical things like that are really up his street.
up (or right up) your streetwell suited to your tastes, interests, or abilities. informal
A North American variant of this expression is up your alley .