while you are bangin' away you put your hand over her mouth and nose hence stopping her from breathing.
then you release your hand and she after a short while and whilst is gasping for air she also sucks up the crumbs off the table just like a Hoover !
Mate .2 : No Way ! did she like it ?
Mate .1 : Not really, but i did !
Mate .2 : Fair play .... High 5 !