1)To be lackluster in performance.
2) To be impotent either sexually/pysically, or sometimes both.
Man, I thought you were gonna hook up with your girl tonight, then you suddenly got too drunk and went "Novaless" on her.

My boss caught me slacking off at work and told me I better not be so "Novaless", or I'd be fired.
by WuBang3R January 24, 2006
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To be confident on you and other people making you become more invested with you and that person.
I became so novaless on my team.
by CastyChris March 10, 2019
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