Top Definition
Heterosexual intercourse carried out in the missionary position between 'mutually enthusiastic' partners with sufficient vigour to generate rhythmic, audible impact of scrotum on buttocks.
He gave me such a fanny whacking last night, I bet he makes up some excuse for not cycling to work this week!
by TrevBloke November 05, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.