How exactly do you pronounce "En Passante"? I know next to nothing about the French language, unfortunately.

You pronounce it reaaaaal French like.

"Ong Pahssong" may be close. So far the gals I picked up in the disco with this phrase didn't seem to mind ...

Oh yeah, and sometimes the -ent in French is silent, so it could also be pronounced like: On Passs. That's how the main head coach guy of the primary scholastic chess thing did it...

Does your dog bite?

It's pronounced AW(g) pah-SAW(g), with the (g) meaning that those syllables should have a nasal inflection.

If you have to ask how to say it, you are not allowed to take the pawn!