You could flunk every advanced student you had with that one.
"Jimmie wants awfully to flunk—and dassent," was her mental comment.
Miss Lord will flunk Rosalie if the rest of us don't take care of her.
"But you can live, even if you should flunk math," Patty continued reassuringly.
We can flunk Latin and math; but if we flunk any more we're gone.
But you're dropped ...