after having anal sex and ejaculating in a woman's rear, the male withdraws his penis. when doing so, the semen trickles down into the vagina and combines with the woman's "cum". thus we are left with the after effect; which one would know as after cheese.

When you're being horny (especially around friends) and as a result shame ensues.

The Left over cheese in the box of a McDonald's :Big Mac,Double Quarter pounder with cheese, & just a plane cheese burger.