A fork of Rural Dictionary
Something you say when what you are talking about is so serious, it's gone Sirius Black serious.
"You're joking, right?" "No, dude. I am not. Siriusly."
The mood of disappointment and gloom brought on by the new SIRIUS channel lineup.
When I opened my email this morning and discovered that the BreakBeat station on my satellite radio was replaced by pop hits, I became SIRIUSLY SAD.