We don't know exactly how many people live in this city, but a 'ballpark' figure/estimate would be about two million.
An offer of $5,000 would be 'in the' (right) 'ballpark' for this car. [=this car is worth about $5,000]
My first guess wasn't even 'in the ballpark'. [=it was not close to being correct]
(..) in a familiar way... on Marsellus' new wife. I mean, is it as bad as eating her pussy out? No, but it's the same fucking ballpark. Whoa, whoa, whoa, stop right there. Eating a bitch out and giving a bitch a foot massage... ain't even the same fucking thing. It's not. It's the same ballpark. Ain't no fucking ballpark, neither. Now, look, maybe your method of massage differs from mine... but you know (..)1994 Pulp Fiction