I had an English girlfriend once...she had such a stiff upper lip that it broke off when I kissed her! Hal
Think in Cricket its referred as to FOLLOW ON NOTE..... If the side who bats second and falls short of % of the first sides score then they are forced to carry on.(Or Follow on )..…..so they have to bat again at the start of the second innings. Simple really That's when they need a stiff upper lip