when a women with a realy tight vigina has sex with eather a large dildo or with a man with a large penis and after the first layer of lips on the vigina start to close and you still see a gap in between the lips is called gapping
after ashleigh masterbated with a bowling pin she was gapping for three days
A technique used in freeway driving at speeds upwards of 100mph. Judging and successfully jumping in and out of the gaps in traffic as they open and close, so that one may continue to accelerate or to travel at a very high rate of speed.
"Dude, Dani was in her Mercedes and Brian was in his Accord, but Brian smoked her ass because his gapping skills are better."