
1) Affront 2) Any yo mama joke, essentially 3) Bruise 4) Civil parish in Norfolk 5) Grad school hurdle 6) Hurt 7) Injure 8) Insult 9) Insulting type of track 10) Major work in grad sch 11) Offend 12) Spite 13) Town in Norfolk 14) Trash talk 15) Treat rudely 16) Wound
Found on
https://www.crosswordclues.com/clue/diss

DISS (Disability Information Services) is part of the Queen Elizabeth`s Foundation for Disabled People (QEF), a charitable organisation based in Leatherhead, Surrey, England. The organisation has experience in producing databases of information relevant to the needs of disabled people, their families and carers, and has been successful in this fi....
Found on
http://en.wikipedia.org/wiki/DISS

Diss is slang for to scorn, to snub, to belittle, disrespect.
Found on
http://www.probertencyclopaedia.com/browse/ZD.HTM
insult verb treat, mention, or speak to rudely; `He insulted her with his rude remarks`; `the student who had betrayed his classmate was dissed by everyone`
Found on
https://www.encyclo.co.uk/local/20974

That term refers to the Seven or Nine of the trump suit. When using the custom rule Bigger Deck, that card can be melded, scoring ten points. Diss goes back to the French word dix for ten.
Found on
https://www.pinochle-palace.com/pinochle-glossary/
No exact match found.