When the chick you're having sex with has got stubble around her pussy because she hasn't shaved it for days. The result: abrasions to the shaft of your cock that hurt like hell.

the act of sucking on a phallus

One who chafes cock on a regular basis.

(n.) When a girl with no standards wears extra short shorts that literally stop at your vagina. And although girls don't show it in their face, when they walk the tightness of those shorts causes friction when they walk. (Side effects: friction that leads to chaffing and eventually camel toe.)

Putting pounds of mud up your ass and then farting.