IPA: //ˈkælɪθʌmp//
KK: /ˈkælɪθʌmp/
A loud and lively celebration or parade, often involving music and noise, typically with a playful or humorous spirit.
The town held a callithump to celebrate the festival, with people marching and making joyful noise.
Callithump is derived from the dialectal term 'callithump', which is believed to have originated in the 19th century in the United States, possibly from a combination of 'call' (meaning to shout or summon) and 'thump' (meaning to strike or hit). The word refers to a noisy celebration or parade, often involving raucous sounds and merriment.
Think of 'calling' out loudly and making a 'thump' with noise — that's why callithump means a noisy celebration.
No commonly confused words.