A sexual position where a male wraps his legs around his other female/male partner and wraps his arms around the neck and proceeds to give anal. It is also optional for the male to latch on to the female's or maybe even the male's breasts with his hands.
Dude, did you hear of that new sex position called the spider? No, but it sounds erotic and fun!
A half-pitched tent.
A boner that is not to full potiential.
A boner that just natually happens and is not when you see a hot girl.
Don't look now, but that kid's got a Nevin. It's so small.