Would sitting on my boyfriends lap turn him on?

I want to turn my boyfriend on. I am not talking about in bed, but with clothes on.

If you were to be a guy or even better, if you ARE a guy, would you be more turned on if your girlfriend rubbed up against your thigh slowly eventually squeezing your manhood? Or sitting right on your manhood?
Thanks!!
Would sitting on my boyfriends lap turn him on?
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