Not for Nothing November - Part 28

So I'm watching Spongebob mother loving Squarepants with the Peachlette today when I see a scene where the absorbent and yellow and porous fellow tells his driving instructor, "See you next Tuesday!" Being the vulgarian I am, I got the reference right away. However, at a football party I attended this evening, I shared the story and no one got it. Am I alone in knowing what this phrase stands for? Help me out, people. Do I have to spell it out for you? Fine, here it is.

C (See)
U (You)
N ext
T uesday