Refers to publicly-voiced derisive/uncomplimentary remarks/details ("sass") made about someone regarding his less-than-perfect-looking posterior ("ass").
(a prime example of character ass-sass-ination, from an old "Blondie" cartoon) Mrs. Dithers: In my younger days, I had quite a following.
Mr. Dithers: And she still does, heh, heh, heh... (cheekily placing his hand beside his mouth as if to prevent his wife from hearing his "aside" remark) ...but her dress-maker keeps it well-hidden!
Dagwood (staring down at Mr. Dithers' prostrate figure that's sprawled untidily on the floor as his irately-unamused wife stomps off in a huff): Do you see stars, Boss?
Mr. Dithers: Stars?!?? I can see the entire AURORA BOREALIS!!!
Mr. Dithers: And she still does, heh, heh, heh... (cheekily placing his hand beside his mouth as if to prevent his wife from hearing his "aside" remark) ...but her dress-maker keeps it well-hidden!
Dagwood (staring down at Mr. Dithers' prostrate figure that's sprawled untidily on the floor as his irately-unamused wife stomps off in a huff): Do you see stars, Boss?
Mr. Dithers: Stars?!?? I can see the entire AURORA BOREALIS!!!
by QuacksO August 9, 2018
Get the character ass-sass-inationmug. Don't be running your sass peppers or ill give u what u been asking for; ass whooping will be applied.
by 😈DaDemon666😈 March 24, 2020
Get the sass peppersmug. A girl that is smug, sassy, never smiles... who is all business and works against you, or has no interest in you talking to her... whether being jovial conversation or an advance. Word play off Anglina Jolie's name.
1.That bitch won't give me the time of day. She's a Sass-a-lina Jolie.
2. Come'on Sassalina Jolie, can I get a smile?
2. Come'on Sassalina Jolie, can I get a smile?
by Artartistablue June 18, 2016
Get the Sass-a-lina Joliemug. 
The greatest LGBTQ+ Friend who ever existed. They make you happy and will always be caring. They always remember your birthday and get you gifts. They always tolerate you no matter what. They are also a huge weeb and are very murderous.
by Adi992 May 1, 2021
Get the Harry Sassemug. An Ottawa gang usually found on the southside, consist of broke Arabs who roam common areas in large groups. Members of 'SASS' enjoy past times of jumping, beefing and robbing random middle schoolers with no connections to the streets. Also known as a 'filthy rat' you will never find a member of 'SASS" alone as their very limited strength comes within the size of their group.
Person 1; Yo I think I saw SASS in Overbrook
Person 2; No way man they would never step in the east, they're too pussy
Person 2; No way man they would never step in the east, they're too pussy
by Mr. T September 14, 2019
Get the SASSmug. A girl/boy that is sassy and when they act sassy they turn into a monster that won't listen to anything or accept the fact they are sassy.
by Dylt0505 December 25, 2022
Get the Sass monstermug.