Also posted this one before....& still love it:
departure taking care of one CF-18 after an airshow:
ATC:"-Allouette 22, what's your heading!?"
CF-18:"-........"
ATC:"-Allouette 22, what's your heading!?"
CF-18:"-......................."
ATC:"-ALLOUETTE 22 DO YOU COPY???"
CF-18:"-...... aaaaaah, we're not heading...... we're climing....."