Grounded ’til graduation

When I was a teenager, my mom used to tell me that I could use her as an excuse anytime I might find myself in a socially compromising situation.  The phrase was along the lines of,

“ARE YOU KIDDING ME? Do you know how many ways my mom will annihilate me if/when she finds out? Do you have any idea how many synonyms my dad knows for reprimand?  I suppose you WANT me to be grounded until graduation!!”

You get the idea.  And it was not an