The process of sticking your dick in a women's vagina briefly for a few seconds to make your tip moist.
Done usually if the woman suddenly needs to go and you only have sex for a few seconds.
"Dude, me and Sydney were going to have sex, and I started to fuck her, but then her mom called her home cause her Grandma had a seizure. It was basically a wet tipping sort of sex only deal"
to have sex, when you get your tips wet, that means you dipped your penis in a (wet) vagina. OR you could have fingered someone and got your tips (finger) wet.