The guys from Green Day approach the KISS treehouse. 

They ask Gene if it's, "okay to play with them? 

Gene eventually says, Let me ask Paul/AKA Stan.  <pause...>  Paul/AKA Stan says, "It's not a good idea.  You might want to ride your bicycles back to your neighborhood.""

https://www.youtube.com/watch?v=tawnOvY-DcM