When a user writes workaround code to deal with a software bug, and then the programmer later fixes the bug which breaks the workaround code. It is not hackward compatible.
User: This update broke the software!
Programmer: No, the update fixes the software, it simply is not hackward compatible.
by FenderQ September 1, 2019
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If a software can be used on an Apple Mac computer.
"Nah, dude. You can't use that program, they haven't made it Macwards compatible yet."
by MixMastahTee May 20, 2008
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A term used to describe a man that Cassy would be “compatible with”.
Oh man, did you see that boofy lookin’ dude? He’s Cassy Compatible as fuuuuck.
by lookoonoo September 13, 2018
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When two or more people have a kink or kinks in common
"Yeah, me and him are kink compatible; we both like being called daddy and being tied up!"
by it is Wednesday June 6, 2016
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A geeky way to describe a dating relationship in which the couple fits together so smoothly.
Those two really hit it off well from the start, but after their 3'rd and more serious date, they discovered that they were also pin compatible.
by BillyBuggy April 3, 2009
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The message you receive any time you attempt to install hardware or software to Windows Vista. This is correctable by replacing your computer or Operating System.
"There are Known Compatibility Issues with the software. It does not work with any other hardware or software." This is the message that should appear prior to installation of Vista.
by Jiefu July 11, 2008
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Used to describe a person who gets along favorably with peoples' parents.
"Why not take me home to meet your parents, Ryan? I'm highly PC."

"My friend always tries to suck up to my parents when she comes over...I mean, they get along really well, but if you ask me.....she's a little TOO PC."
by Lauren Myers March 12, 2004
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