ok - this magazine article was originally printed on Cosmo (I think). It's called "When Sex Goes Hillariously Wrong" --- read the first little story.. there is even a cartoon to go with it!
http://surfnets.com.my/emag/emag/e_tain/feb/f2_article4.html
http://surfnets.com.my/emag/emag/e_tain/feb/f2_article4.html