Clean jokes are the fashion these days. You can use them for any occasion - parties, dates, school, the office and holiday parties. Here are a few clean jokes that have lightened up my day: What's the difference between a teacher and a train? The teacher tells the student to spit the gum out and the train says "chew chew"! What does a snail say when it goes for a ride on a turtles back?Wheeeeee! A snail goes to the bartender, and orders a beer. the bartender flicks him off of the bar. Three weeks later the snail comes back and says "what did you do that for?" Did you hear the joke about the change machine? Yeah, but I couldn't get any sense out of it. A circus owner walked into a bar to see everyone crowded about a table. On the table was an upside-down pot and a duck tap dancing on it. The circus owner was so impressed that he offered to buy the duck on the spot. After negotiating back and forth they settled for 20 gold nuggets for the duck and its pot. Th...