Question
Should I suck on the up or the down? I don't know when to do suction - when my lips/mouth go down the penis, or up? Or should I suck all the time, going up and down?
Answer
Sucking is an important part of a blowjob. A common phrase referring to suction said about a woman known to give great head - often uttered with both a derogatory feeling yet also a sense of admiration - is: "She can suck a golf ball through a garden hose."
This might make you think it's important to suck hard. I don't think it is. I think strong suction can feel good, but it's not the only thing you should be doing and in some cases it can hurt. It would hurt if by sucking really hard, you are sucking his cock into contact with your back teeth. Ouch.
But you want to know when to suck. On the up or the down. Or both.
The answer is both. Sucking on the down will help pull his cock into your mouth. But you don't have to suck too hard! Just a gentle amount of suction that helps your lips slide down his cock. And it's not always necessary. Your lips don't always have to be tightly sealed around his cock.
When you keep your lips sealed though, and move back up his cock while maintaining a soft suction, the feeling on his cock will be as if you're sucking harder the further you pull away. The vacuum will pull your cheeks in and your tongue up against his cock.
Long story short, suck on the up and the down. It's also fine if you're not always "sucking" - licking, stroking, and other techniques fill the gaps and actually make for an even better blowjob.
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