The act of draining ones vaginal discharge into the bell of a trumpet, whilst one continues to play thus trumpet using ones buttocks to produce enough air pressure to continue on spraying his or partner(s) in the face.
The buds and I were splatterhorning last night!
by Duncan McClure May 24, 2009
The housekeeper was disgusted when they lifted the seat to see the splatterhorn that was left behind.
by keshrin August 30, 2017