An old or older woman who has lost her good looks or is fat, chunky, has a big butt and/or sagging breasts.
"Wow, now that I got a closer look, she's not a "Skipperjack", she's a "Flapperjack", wow, maybe even a "Lumberjack!". "Well, I went on the date and found out she's a "Flapperjack!".
When a man is about to cum during sex, he starts to violently masturbate, bending over and pointing his penis to cum in his own ass hole, the woman then licks it out.