Keywords: loud, noisy
Found 1 variant for this sign (click on video to enlarge):
Sign Definition
As a Noun
                                            1.  A loud noise or sound, especially one that is at the lower end of the frequency spectrum (ie, very bass) because it is more likely to be felt by a deaf person, rather than actually heard.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  For the level of a sound to be very high, for example the sound of thunder or the sound of your voice when you shout. English = (be) loud.
                                          
                                          
                                         
                  
                      