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The Comic Sans font walks into a bar. The bartender says, “We don’t serve your type here.” 
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A construction worker brings his dog to work every day, and at noon tucks a 5 dollar bill under the dog’s collar. The dog trots off to the local bar, where the bartender takes the fiver and gives the dog a sandwich in a paper bag which the dog brings back to the work site for his owner. One day, the man only has a 20, but figures that the bartender will be honest. An hour goes by, and he stomps angrily over to the bar where he confronts his dog who is sitting on a stool drinking a beer and eating a sandwich. “I never had change before” says the dog. 
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Two guys walk into a bar, the third one ducked in time. 
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One atom says to the other atom, “I think I’ve lost an electron.” The other atom says, “Are you sure?” “Yes, I’m positive.” 
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A guy goes to the doctor for a checkup. The doctor says, “First thing, you have to stop masturbating.” “Why is that, Doc?” “Because I have to finish this exam.” 
A: Try to cheer him up.