Wiktionary
loony tunes
a. crazy- a loony tune n. (loony tune English)
Usage examples of "loony tunes".
How long am I supposed to hide from some loony tunes psycho e-mailer who probably isn’.
If she was a drunk or on drugs or loony tunes, she was a responsible drunk or druggie or loony.
She was suddenly conscious of her faded blue jeans and Loony Tunes sweatshirt.
He slammed down the receiver hard enough to score several Loony Tunes sight-gags by making the furniture jump.