1. The coolest band ever.
2. Expressing onself in a very poetic and meaningful way.
Nicky: when Anthony found out that I like the Smashing Pumpkins, he asked me to marry him.
Erika: Oh, that is so Jars of Clay.
Commonly mistaken for 'bad-adjective', actually means 'band-adjective'
To use a band name as an adjective.
Erika: "I cried myself to sleep last night."
Nicky: "YOU ARE SO FUCKING DASHBOARD."
Erika: "Chill, Superchick, you're totally going all mudvayne on me."