This one was funny/infuriating when I returned home to the US from a trip to Singapore, Thailand.
W- ::hands over American passport::
Passport Control Woman - What country is your citizenship?
W- ::confused look...points at ground:: Here
PCW - (angrily) What country is this?!
W- The US?
PCW - Were you born in the US?
W- No.
PCW - When did you become a citizen?
W- When I was sixteen.
PCW - Why?
W- Because my parents became citizens so I automatically got citizenship.
PCW - Where did you go to high school?
W- In XXXX, IL
PCW - (angrily) Fine! Go!