Laughtershock

When one person in a crowd keeps laughing for a significantly longer time than everyone else

That joke was so bad, I don't know how there was laughtershock.

by Sexy boss man May 12, 2016

after laughtershock

Calling friend who caused laughtershock to inform them of such.

Laughing hours later at Mike's joke, Jay called to inform him of his " after laughtershock"

by Teresa V. June 18, 2011