skull fucking - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

skull fucking (uncountable)

1. (vulgar, slang) Aggressive deepthroat fellatio.
   • 2010, Jackman Hill, Forty Dollar Butt Boy, preview

     Clayton's skull fucking was giving me a head rush.

• irrumation
• face fucking
• throat fucking
• irrumatio