1. To cluster-fuck someone is to, with the help of 2 or more accomplaces, gang-rape some unsuspecting victim.
2. Cluster-fucking can also take place on a concentual basis in which 3 or more people work together to violenty satify the clustee.
1. Holy badger-fucking shit, I was walking home last night and I was cluster-fucked by a bunch of horny mexicans.
2. Oh man, I was walking home through the park and I saw a bunch of horny mexicans cluster-fucking these 2 nuns, It was totally bangin'
3. Where have I been? Me and my horny mexican friends have been out cluster-fucking autistic orphans!