My dear father, like many other narcissistic and initially successful men who destroyed their own lives, seems to have been an inveterate fuckophiliac.
a pile of fuck
a tangled mass of horny people engaged in a clusterfuck often followed with a cleansing cycle provided by a fuck mop
man that fuckpile last night was so fucked up i think i saw your mom in it
and afterwards your sister got out the fuckmop and cleaned that nasty shit up
Its not self-explanitory, it occurs when there is either an incest relationship because they did not spread apart the genes, therefor resulting in a shallow gene pool.