Trump's wife.
Urban Dictionary
a fierce and violent fight amongst two people, or a number of participants that eventually turns into a full-fledged donnybrook!
At the local watering hole, the bachelor party erupted into a good old fashioned, Grade-A slobberknocker amongst the drunken friends, as fists flew and teeth became airborne.
I've slobbered on a few myself.
"Knockers" is British slang for breasts and "knickers" is British slang for panties. While a woman who gets her knickers in a knot may be emotionally upset, another who keeps her knockers in a knit will keep them nice and warm during cold weather.
The world's greatest slobberers are the pug-faced dog breeds, especially the mastiffs like the Dogue de Bordeaux we all met in Turner and Hooch.
So a slobberknocker is a dog that slobbers all over a lady's knockers.