bobbing for dick
When you are falling asleep sitting up and your head bobs up and down, as if performing fellatio on a male.
Dude I didn't sleep at all last night. I was bobbing for dick in class all day.
bobbing on dick
When the woman is on top during sex, bouncing or 'bobbing' up and down.
Boy1: "How was the sex?"
Boy2: "She was great at bobbing on dick"
Boy2: "She was great at bobbing on dick"
bob dick
an old, ugly, weird looking man that breanna wants to date.
what a bob dick
Bobbing for dick
When one repeatedly nods their head up and down (usually with their mouth open) in an attempt to stay awake, thus appearing to be giving a blow job.
Mark got tired in class, and began bobbing for dick.