[dboat]

I don't think there are any poisonous cucumbers in the us, his cat should be fine.

[astrange]

Some common foods like grapes are poisonous to cats (for unknown reasons), there might be some tube-shaped vegetables too.

[selimthegrim]

Has anyone worked out how cats react to vampire watermelons?

[ChrisMarshallNY]

I dunno. When I was a kid, they would freak me out...