Classic forum forever thread, simple rules, someone posts a word, the next person posts whatever word that makes them think of, and so on indefinitely. No need to explain your connection, just post the word and let the chain wander wherever it naturally goes
These threads tend to develop a strange, meandering logic of their own the longer they run, starting word is below, have fun with it
Ocean
Wave
Radio
Static
Television
Remote
Control
Freak