I would imagine these are all mainly humorous.

Were you happy-happy, or were you just "happy" because you're expected to say so out of politeness?

Was it fixed-fixed, or was it just hardcoded or duct-taped to work for that one use case/scenario?

He’s in his office-office -- this could easily apply to my boss, who is a workaholic. Everywhere is his office, and then we have our real corporate office.

I can't say I see any need for saying "Do you know how to type type", unless most people they have encountered only know how to type with one finger and you're looking for someone who knows how to use all 10.