I am feeling a surge of testosterone right now and if I had a girlfriend I'd do it the moment she comes in reaching distance of me.

Girl's Behavior
Guy's Behavior
Flirting
Dating
Relationships
Fashion & Beauty
Health & Fitness
Marriage & Weddings
Shopping & Gifts
Technology & Internet
Break Up & Divorce
Education & Career
Entertainment & Arts
Family & Friends
Food & Beverage
Hobbies & Leisure
Other
Religion & Spirituality
Society & Politics
Sports
Travel
Trending & News 
I mean it depends if I know the person. One of my friends and I will do this to each other whenever one of us sees each other first.
It's between you and your partner and you're well within the relationship
As long as it isn't in front of family, I enjoy it.
Depends on the girl. Some actually like having bright red butt-cheeks. LOL
Opinion
1Opinion
A pat is fine, a smack is obnoxious.
Almost all women enjoy that.
I like it
I love it
You can also add your opinion below!
Most Helpful Opinions