According to Answers.com
on·o·mat·o·poe·ia (ŏn‘ə-măt‘ə-pē‘ə, -mä‘tə-)
n.
The formation or use of words such as buzz or murmur that imitate the sounds associated with the objects or actions they refer to.
But here in Chicago at f212lounge.com On·o·mat·o·poe·ia carries DJs & Desserts.