A 'Jzunami' is a huge wave of Jizz washing over everything as a result of your extreme happiness or excitement.
That book is so fucking good I'll be mopping up after the Jzunami for weeks after.

When jizzing in your pants doesn't cut it, a Jzunami accurately describes how epic something truly is.
by Laudanum June 15, 2009
Get the Jzunami mug.