Mcdade-(N)-an older woman who is very beautiful and does not look her age. a Mcdade will always trick u into thinking she is younger especially at first glance. Mcdades are to older women as jailbait is to underage girls.
Guy 1: do see that girl? she is sexy.
Guy 2: DUDE!!! she is such a mcdade. shes like 40.
Guy 1: I dont care shes hot!
Guy 2: That should be illegal man lol.