Knock Knock Snarky Cards
I love this line! Try their line of Slang Flashcards. It's all great.
Go ahead, send it to yourself. It will be a long time until that baby masters penmanship.
Better study up if you wanna make it in this world.
These thank-you cards are perfect for my little gentleman in training. And I might just use one or two for those friends and family who would see the humor in receiving multiple-choice correspondence from a literate adult.
Why keep everything separate? This is the paper and envelope in one piece.