facetiously derogatory 

Facetious:
Treating serious issues with deliberately inappropriate humor.

Derogatory:
Tending to derogate, or lessen in value of someone.

Rude, inappropriate, childish manner of speaking to or about someone. Funny in an immature sense.

A mild sense might mean only light innocent teasing to make one laugh or blush. Stronger versions the phrase might mean to provoke anger, sadness or even madness!

It is usually always meant to be rude.
Comedians do it all the time.

"I prefer the term "breeder" when being facetiously derogatory to straight individuals." - Gorgon the Wonder C0w (off some 2 cans and a string forum site)

facetiously derogatory by describerfebuary1 March 4, 2012

facetious

Treating serious issues or situations with deliberately inappropriate and/or offensive humour. This is often referred to as dark humour.

Johny bought his war veteran uncle Dan a pair of fancy socks for his birthday, which would not have been facetious if Dan still had his legs.

facetious by Who ate all the cheese May 16, 2018

facetious

To make an attempt at being funny, while being sarcastic at the same time.

Jacky was being facetious when she said, "Yes, let's all go to Iraq for my birthday party!"

facetious by Nikki P. September 6, 2004

facetious

Along with abstemious, facetious is one of two words in the English language containing all five vowels in alphabetical order.

facetious by gork March 26, 2003

Facetious

The act of being filipant in a serious situation

At miss heath's funeral mr Powell made a facetious joke about her death

Facetious by Matthew matterson June 7, 2016

facetiousism

1. The act of being facetious
2. A really hard word to say

"Carys, I really don't appreciate your fashesuhsism, I mean, facetiousism right now."

facetiousism by nihilisticexistentialism September 11, 2011

facetious

An asshole's word for "sarcasm".

Stop being so facetious and tell me what you're going to do about the problem!

facetious by neveruse November 10, 2009