sex 

The act of a man inserting his penis into a woman's vagina for sexual pleasure. Usually resulting into the woman being pregnant, unless contraception is used.

Boy: Let's have sex
Girl: Sure! But only if we use protection

sex by The Real Namer April 2, 2013

sex 

something your to young or old to do

mom:your too young to have sex

sex by ;alskd April 15, 2009

sex 

when a woman wraps her vagina around a mans penis

When a man is raped by a woman, she has "sex" with him. It usually involves a combo of rufies and viagra

sex by no, you're pseudonym! September 22, 2013

Sex 

The fact that you're looking this up is scary.

But if you must know its How you got here.

You're mom and dad had sex and then you appeared.

Sex by batgurlll December 24, 2014

sex 

A way for bored people pass the time.

hey honey, i'm bored. I've got an idea lets have sex!

sex by Gotek_45 December 13, 2015

Sex 

So your searching up sex on the urban dictionary your either horny or are young and should NOT be on urban dictionary go ask your mum

"Stop searching up sex on the urban dictionary you sick fuck "

Sex by Whatyoudoing June 11, 2017

sex 

first of all. why the fuck are you searching for sex? As if you don't know what it means! bitch go suck a dick
second of all
sex is when the man's dick goes into the woman's vagina and that day is super cooll! you must do it baes

i had sex yesterday! his dick was so passion

sex by dafas May 5, 2018