In fellatio the -us is replaced by the -io; the declension stem ends in -ion-, which gives the suffix the form -ion cf. French fellation. The -io n ending is used in English to create nouns from Latin adjectives and it can indicate a state or action wherein the Latin verb is being, or has been, performed. Further English words have been created based on the same Latin root. A person who performs fellatio upon another, i.
This is a lot of fun. One of my favorite things to do with my girlfriend, is to rub my cock all over her tits while she masturbates. It makes me really hard and when I do it I just know that I'm going to shoot a big load of cum in no time. Well, I'd always fantasized about licking my own cum off of my girlfriend's nipples after I came, but I never had the nerve to do it. One evening, after watching my girlfriend rub her pussy and masturbating over top of her, I shot a huge load of cum all over her tits. Afterwards I said, 'I think I'm going to have to clean you up,' and I bent my lips to her nipples and licked all of my cum off of her chest. It felt amazing, and it made her moan even louder!