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1.
A rare situation that may occur where a couple involving a sexual intercourse using either the missionary posture or the woman-on-top posture.
When using an excessive force, shaking the bed and banging the walls, an artifacts placed on the wall (such as a picture) or otherwise on furniture, may fall on one of the sex participants.
A situation where the couple proceeds with the intercourse regardless of the hit, is called 'headframe'.

The name origins is in a real-life case where a male, while on top of the woman (missionary posture), was hit with a wall-picture. The picture itself smashed, but the frame retained on the male partner's neck till the end of the intercourse.
"Man, I was headframed last night by that woman. She's an animal !"
by Simple Guy August 03, 2009

Words related to headframe

bang frame head sex situation