How about the most irritating one of all?
Loading, say it, with no 'X' to close it and make it fall.
When loading is done,
Beginning is the fun.
From my dear computer, it has caused me to run.

A software plugin offer awaits.
Over its merit I offer no debate.
Crappy it is, yet more ads it spawns.
ao.lop.com it sends to us, we silly little pawns.