AuDHDers may seem more extroverted in social situations than someone who is only autistic, Neff said. That's because autistic people often don't have a strong social drive, while ADHDers may be more talkative and outgoing (though this is not always the case).
Source: wiktionary
Ms Watkeys also says new language is evolving, such as words like ADHDer and AuDHDer in colloquial use (AuDHD being dual-diagnosis autistic and ADHD).
Source: wiktionary
Tanya is also an autistic ADHDer, but didn't find out until she had a child (now a teen) who is also an AuDHDer (this word is a mashup of autism and ADHD).
Source: wiktionary