someone who, willfully or against his or her will, engages in
sexual intercourse with someone who has grandchildren.
the
person with grandchildren doesn't need to be the actual
person's grandmother.
Rob:
Dude, what happened at the
bar last night?
Tim: didn't you see? I was talking to that old lady from the back there.
Rob: how old was she,
Tim: i don't know but when I got back to her house her grandchildren were running all over the place so I took her to the basement, put a sock in her mouth and fucked her. After about 10min her grand kids came down and started watching.
Rob: WTF you nasty ass grandmother
fucker!