It can mean type of bell used in medium boats. It is also called gong or batintín. The Tantán or tam-tam is also a membranophone instrument similar to the drum or conga,
1º_ Chimes onomatopoeia. The same bell . 2º_ Percussion instrument. 3rd_ Humorous pun that uses the formula "[Something or someone] is so, so [some characteristic], that [an absurd or exaggerated comparison]".