Can you feel it...we've got chemistry here
This was a commercial for SmartBeep, a pager company. Back in 1999 when you emailed your entire contacts every thing you thought was funny, this was popular. Be your own judge, but farts are funny.

My vote goes to Mattt's friend prancing in women's clothing. Which is number 5. But then again, it's like trying to vote for the best disco move and chicks aren't invited.