Motor ostrich

When you stick your head in your girls ass and she farts

When a manboy attains in the penis the necessary tumescence of the meat shaft that would, in due diligence, be required forthwith to bend said shaft underneath the testicle closet, with urethra aimed with verisimilitude towards the particular gentleman's brown nugget nectar, and announces himself with firm and steady protrusion of the anal chamber, like Apollo 13 landing the lunar module on the face of our great Moon. If one such individual demonstrates the ability to "ride himself" and produce the pleasure potion necessitated by so many of our brethren so that it may flow hither and thither about the shaft meat, then he truly is his brother's keeper and the finder of lost children. An ostrich buries its head in the sand whence it realizes how ugly it is; a penis buries itself in its owner with extreme effort.