My wife and I also thoroughly enjoy it when I slip a thumb in her ass while doing it doggystyle. It has to be timed just right (when she's approaching orgasm), and more importantly- only if she's in the mood. There ought to be a slag term for this practice, as it seems to be a commonly enjoyed one! Does such a term exist?
I've never put a finger in my girlfriend's ass during intercourse. However, I will insert my well-lubed middle finger deep into her ass and my index finger into her pussy and massage her pussy's ridges while I'm licking and sucking her clit. She has incredibly intense orgasms from this technique, so intense that it takes minutes for her to recover.
When I was dating this used to be my signature sex move. With the guy inside me I would stroke his dick with my finger in my butt. I never had a guy not go nuts over that move...ever! I still do with my husband in the rare times we have vag sex.
Sometimes i am required to finger my wifes ass during oral and intercourse. Some times she grabs my hand and puts my fingers on her ass usually during doggy or cowgirl. Some times after that she wants anal with a dildo or intercourse with a toy in her ass depending on her mood for dp action. Some times my cock and a toy in her pussy and some fingers in her ass or multiple fingers in her ass and pussy during oral
If the sex is great and I'm being pleasured I hardly note a finger up my ass. But I've experienced cases where I was not really enjoying the sex and he pushed a finger in I literally push him off me or if he's behind grab his dick. I feel to be fingered in my ass I need my vagina feeling amazing.
My wife loves this, if we're fucking and she's really close to orgasm. If she's not at that point yet she's annoyed by it, but if she's close to cumming a finger up her ass helps bring her there.
A well timed, well moistened finger up the bum works wonders for both me and my wife, especially during oral sex.
My wife loves it and even guides my finger or thumb into her anus during foreplay or in whatever position we are having sex.
So hot to do its the only place a woman cannot fake her orgasm is her taint and sphicter muscles pulse involuntarily. It can be attempted to be faked but very very difficult too.
My wife likes to use butt plug during sex. She says it's feels good having both holes filled. I don't argue I just make it happen.
When doing oral on my wife's clit. I wait until she is pouring wet with pussy juices, then I spread her juices on her ass hole and slowly put one finger in up to the first knuckle and bam! She has the big "O".