It's not harmful assuming none of the people have STDs.
Can sucking in your stomach while pregnant be harmful?
nope. sucking to normal girl breast is not harmful
It's called fellatio or oral sex.
The phrase "you suck" is believed to have originated in the United States in the 1970s as slang meaning "you're bad" or "you're no good." It is often used as an insult or expression of disapproval.
It would be called oral sex.
No, I don't think so, if it was harmful, mothers with infants would have harmed breasts ;)
It's a vulgar insult referring to oral sex.
Yes, it can be spread by oral sex.
Breastfeeding, sucking on fingers, eating toys, etc.
oral sex! or in other words sucking on a vagina or dick!
it is recommended as one of your five a day ;)
sucking butt not harmfull at all as its make you provide more setecfection while sex. even woman like when you perform the same