Wabam Slam Serve

From SlimeWiki

The Wabam Slam Serve is a serve that uses the Wabam Slam skill to serve an ace if the opponent isn't right next to the net on the other side. It is similar to the Flip Serve, in that sense, but much harder to do.

It requires that the server is on fire.

From sparky
can also be bounced off net to the back
the first bit is ok but sorry about the ending