Peanuts by Charles Schulz for February 20, 1975
Transcript:
Joe Motocross sits on the doghouse. Charlie Brown says, "Good luck in the motocross today, Joe!" Joe Motocross thinks, "Thank you."<BR><BR> Charlie Brown says, "You seem very confident." Joe Motocross starts the motorcycle and makes a lot of noise.<BR><BR> Charlie Brown asks, "Is it because you have a new bike, or is it something else?"<BR><BR> Snoopy smiles and thinks, "New leathers!"<BR><BR>
In panel 2, all these “Rip! Rip! Koff!” sounds appear to emanate from Snoopy’s bottom.