Mind, I haven't heard of 'lost by a landslide' or 'landslide defeat'.
|Is that Jalan Tun Dr Mahathir?|
The word 'tsunami' became better known only after the devastating
Landslide sounds not only more traditional for political wins but also appropriate, because not all sides are crushed by a landslide, but almost everyone would perished when hit by a tsunami.
Thus the word 'tsunami' to describe a 'landslide' election victory would be inappropriate as both sides would have perished and thus lose.
|Is that Bandar Tun Dr Mahathir?|
On the other hand, with what's going on now in Malaysia, maybe there has been a recent political 'tsunami', wakakaka.