Best definition
n. 1. The tropical American weevils of the genus Zyzzyva which are destructive to plants. 2. The last word in the dictionary. 3. The last word (in a conversation or argument).
v. To get the last word.
Now who got the zyzzyva?

I got the zyzzyva.

zyzzyva: define #2
a journal of west coast writers & artists published in san francisco since 1985. www.zyzzyva.org
i would like to subscribe to zyzzyva.
zyzzyva: define #3
Zyzzyva is a genus of tropical American weevils often found in association with palms. It is a snouted beetle. “Zyzzyva” is the last word in many English-language dictionaries. The yellowish weevil is no longer than an ant.
A zyzzyva is a bug