Knobstacle course Share definition Flag The series of activities that a gentleman undertakes in order to partake in sexual intercourse with a phillie. This red hot piece o' meat is takin' me right round the knobstacle course! Knobstacle course by Your momma897 December 9, 2008 0 0 Get merch Get the Knobstacle course mug. Buy Now — $32.95 See more merch