Definition Courtesy of Z-Pain after realizing his brother Jiggy is a lonely horndog.
It involves playing jokes on a friend or acquaintance by sneaking into bed with them, especially when they think you're someone else.
When you see the look of utter shock when they realize you aren't their boo, you have a bedgasm!
Oh yeah? You should see the look on your face when I punch your face in. How about a punchgasm, mother fucker?