Whilst riding a large touring motorcycle,

crotch rubing and pelvic thrusting the 'horn' (large padded area at front of motorcycle seat). Sometimes for a sexual reason.

The act of collecting faeces, menstrual juices and semen in one's mouth. There are many variations of how this is done but the original is as follows:

The male performs cunnilingus on the female, collecting the faeces and menstrual juice in his mouth. The female then offers him fellatio and through the process of snowballing, passes the semen into his own mouth.

Whether the frott cocktail is swallowed or spat out, is up to the discretion of the participants.