Knock, knock!
Who's there?
Insert Joke!
Insert Joke Who?

Guys, I have been racking my brain to come up with an example of a knock knock joke involving e-cigs, but I just can't do it. Nonetheless, I have to believe that there are funnier minds than mine out there!
SO? Is that funnier mind you? Can you succeed where I admit failure?
$50 credit to the writer of the best e-cigarette knock knock joke, determined by number of Likes!
Contest closes July 16th!
Who's there?
Insert Joke!
Insert Joke Who?
Guys, I have been racking my brain to come up with an example of a knock knock joke involving e-cigs, but I just can't do it. Nonetheless, I have to believe that there are funnier minds than mine out there!
SO? Is that funnier mind you? Can you succeed where I admit failure?
$50 credit to the writer of the best e-cigarette knock knock joke, determined by number of Likes!
Contest closes July 16th!
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