short for dysphemism
that is: an offensive or disparaging expression that is substituted for an inoffensive one
"You are such a spastic"
"Man, i just dropped the ball, no need to diss me
by Jason o]=< September 6, 2005
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Term used by older, ass-hat salesmen in an attempt to seem younger and/or cooler than they really are. It should be noted that it rarely, if ever, works.
Salesguy: "I was dissing my buddy big-time for that whack sale he made."

Same Salesguy: "Did I use that properly? How did it sound?"
by Pudie February 20, 2010
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a diss is when someone rejects you.a diss is also when you are interested in someone but he/she is not interested in you.
i was interested in a girl in my classroom but she was not interested in me.she dissed me.
by omar afifi August 8, 2006
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to be complety owned verbaly, a dramatic sentence used to put down others, a humorous comment at which a person is a laughed a because of, a reminder that the person who is being dissed sucks at life, a verbal destruction of ones self esteem
Dave Chapelle dissed a girl by saying " nice shoes!!! dahaha" Seth felt dissed when someone told him his fly was open but seth quickly laughed about it and made a comback back sayiing "thats wut she said"
by reed north September 28, 2006
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a way to make fun of some one who's pissing you the fuck off!
boy: NANANANANANANAANANAN LOOO LOO LAA LAA AAAAAAAAAAHHHHHHHHH !

girl: shutthefuckup or ill diss you man.

boy: NONONONONONNONONON NANAANANANANA LALALAAAA !

girl: YOUR SO DUMB YOU SAT ON THE COUCH AND WATCHED YOUR TV MUTTHAAFUCCKKAA NOW STFU !

boy: ... :|
by none.of.your.BEESWAX August 9, 2009
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A diss is when a girl rejects you.A diss is also when you are interested in a girl but she is not interested in you.
To set an example Lamia dissed me because she already had a boyfriend:Well not really.She had more like a rapist who forced her to have sex with him.He used to beat her up very badly.she had a wound on her lips.And someday she puked/vommitted on the floor in the classroom.His name was Bilal:Fuckin` rapist.
by Omar Afifi July 25, 2006
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A diss is when you tell someone to meet you somewhere and they dont show up or call you to tell you there not coming.
I will meet you at red lobster around 8:00 - 8:00 comes around and your friend doesnot show up nor calls you.
by Tammy January 7, 2005
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