Love to play (finger and tongue) with my girl friend's navel and she plays with mine. We are both innies.
A woman's belly is so enticing to explore. I love to look, kiss, lay on, her mid section during sex. An outie must be rare. Never experienced one. I love to stop and have a taste on my way to her sex. I remember this one girl where you could see my cock pushing up as I thrust inside her pussy. That was so neat to watch her belly rise up and down.
My wife's "innie" is ticklish, so I can't touch it with my hands. She does like it when I use my tongue in there, so I do lick her naval sometimes during foreplay.
A nice firm flat belly is always a fun and intimate place to kiss and lick, like to tease her for several minutes then circle and probe her navel. Sometimes when getting in the mood, I lift my girlfriends top and kneel before her, and push my tongue in her navel. A firm belly with a narrow innie with a little rim at the top is my favorite (like my avatar pic) but also really enjoy a large deep navel-as long as its on a firm belly. The pornstar Presley Hart comes to mind-skinny, firm belly and a large deep navel.-so sexy! To me the navel is a perfect stop on the way down, or a great place to start foreplay , then working up to her breasts.
I like deep innies. Outie would be a turn off for me. Fortunately all women I’ve been with have an innie. Two of them (one of them is my wife) have deep innies. I love rolling my tongue inside the deep navel and licking it off. Sometimes I dab some whipped cream in it and lick it off. Though I make sure my wife keeps her navel clean. I like kissing and licking all over the sexy belly and then making circles around the navel and then gradually reaching the navel. Since I am from India, I like watching women wearing a saree in which their bare midriff (and often navel) is visible. I’ve heard using an ice cube is more fun. I want to try that some day.