A thot (that hoe over there) that you've alreadyhit it with. Basically the left overs that you don't care about. They are so unimportant that they're merely an afterthot.
Yo, you see Juan with that afterthot? Tell me why I smashed last week. LMAO
Like a cougar, but with no standards or dignity. Usually describes herself as a milf, but is usually just a rusty old ratchet. Is definitely old enough to know better... and you wish she would.
That afterthot just asked the dj to play Ricky Martin, said she was twenty-one, complimented his "ed hardy boys" shirt, then got upset when he said thank you, ma'am.