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Front: They say that the greatest gifts come from within...
INSIDE: ...but I don't think they meant farts!. Happy Birthday!

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Front: phhht phhhhhht
INSIDE: Happy Birthday from one old fart to another!
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INSIDE: And you thought shrinking with age meant your height! Happy Birthday!

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FRONT: For your birthday, I wanted to get you something you'd want to hold on to forever.
INSIDE: But you already have one of those. Happy Birthday!

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INSIDE: WOW!! You're still the man! Happy Birthday!

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Front: Happy Birthday to a guy with a highly intelligent, active and hungry mind...
INSIDE: ...in fact, I think it ate your hair!

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FRONT: At your age, there's one definite benefit
INSIDE: You can fart and people just blame the nearest dog Happy Birthday!.

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Front: You'll probably have steamy sex on your birthday
INSIDE: But enough about your morning shower. Happy Birthday!
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