© Reuters / Blair Gable
As news reports emerged on Wednesday about a raging tropical storm inching closer to America's coastline - an "absolute monster" in the words of President Trump - the former PM used the opportunity to declare: "I'm rooting for a direct hit on Mar a Lago!"
Campbell was soon drenched in a wave of internet outrage, and decided to delete the offending tweet - offering a literal "mea culpa" - but her critics were already out in full force.
The president's son, Eric Trump, weighed in on Friday, slamming it as "classless."
"Kim Campbell has no self respect, which is fine - she's an answer to a trivia question," wrote Rebel Media's Ezra Levant.
"But she holds a senior office under Justin Trudeau - she runs Supreme Court nominations. So her diplomatic abuses are damaging our relations with our chief ally."
"Campbell has apologized, but there should be the [sic] consequences," tweeted another user in response.
Some commenters came to Campbell's defense, however.
Campbell briefly served as Canada's first female prime minister in 1993, following the retirement of PM Brian Mulroney. A consistent critic of President Trump, Campbell has repeatedly slammed the head of state from her Twitter handle, on everything from climate policy to his relationship with the press.
Be careful what you wish for for others...
Here is a picture of a direct hit:
Did Trump reveal US top-secret military spy tech by posting Iranian launch site pic?
An image of a failed Iranian launch tweeted by the US President set experts and netizens on their toes, as the high resolution of the photo cannot be achieved with known satellite technology. In a...