Q: Why was the mole of oxygen molecules excited when he walked out of the singles bar? A: He got Avogadro's number!

A guy goes into a bar, orders twelve shots and starts drinking them as fast as he can. The bartender says, "Dang, why are you drinking so fast?" The guy says, "You would be drinking fast if you had what I had." The bartender says, "What do you have?" The guy says, "75 cents."

An infinite number of mathematicians walk into a bar. The first orders a beer, the second orders half a beer, the third orders a quarter of a beer, and so on. After the seventh order, the bartender pours two beers and says, "You fellas ought to know your limits."

Q: What has eight arms and an IQ of 60? A: Four guys drinking Bud Light and watching a football game!!!

A blonde is watching a ventriloquist perform at a bar and the ventriloquist, with his dummy, is telling blonde joke after blonde joke, filling the bar with laughter. After several of these jokes, the blonde stands up, infuriated, and yells, "Listen here, jack*ss. Not all blondes are stupid and the jokes need to stop, it is a very cheap way to get laughs." Stunned, the ventriloquist timidly begins to apologize, "Ma'am, I am so sorry. I had no idea I was offending anyone." The blonde replies, "Stay out of this, sir. I'm talking to that little sh*t on your knee!"