[olddustytrail]

> know Americans have a similar relationship with baseball-specific words, right

I'm not American either but a fairly obvious example is to "knock it out of the park".

[arrowsmith]

In British English you can be "knocked for six", meaning you're stunned or shocked. It originates from cricket, where you score six points by knocking the ball out of the park.

[brabel]

I was thinking "in the ballpark" and "touch base" as well...