Peter out catching wave on top of surfboard laughs (10)

'laughs' is the definition.
The definition and answer can be both related to communication as well as being plural nouns.
Maybe there's an association between them I don't understand?

'peter out catching wave on top of surfboard' is the wordplay.
'peter out' becomes 'die' (I've seen this in another clue).
'catching' is an insertion indicator.
'wave' becomes 'roller' (roller is a kind of wave).
'on top of' suggests taking the first letters.
The first letter of 'surfboard' is 's'.
'die' going around 'roller' is 'drollerie'.
'drollerie'+'s'='DROLLERIES'

Can you help me to learn more?