4 definitions by @MarsDiable

A total, utter addict of MarsCrack who will do nearly anything to see or have contact with the band 30 Seconds to Mars or any of its members, Jared Leto, Shannon Leto, and Tomo Milicevic.
"that dude's a total MarsJunkie" refers to someone who's been to several 30 Seconds to Mars concerts and/or events
by @MarsDiable May 17, 2011
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Leto-like or of Leto. Descriptive used of expressions, gestures, styles, or body parts definitively belonging to Jared Leto, or are representative of him.
I'd recognize those Letonian eyes anywhere!

-or-

He shot me a Letonian glance

-or-

That pomegranate marshawk is so Letonian
by @MarsDiable July 2, 2011
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Addiction to Mars. More specifically, the band 30 Seconds to Mars and its product, MarsCrack.

So far, there is no cure for MarsAddiction, but thankfully no MarsOverdose cases have proved conclusive of death or excessive detriment.
Thank god there's no cure for MarsAddiction!
by @MarsDiable May 17, 2011
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The drug-like, euphoric experience of having live, first hand contact with the band 30 Seconds To Mars or any of its members, leaving one totally and utterly addicted for life. MarsCrack highs can be produced from a range of contacts, from simply attending a 30 Seconds To Mars concert and becoming involved in that experience to meeting, photo-ing, partying with; being tweeted, mentioned, hugged, groped, etc. by the band or any of its members; or being involved in a project by or about the band.

Addicts are MarsJunkies, and will do nearly anything to get their next hit of MarsCrack. There is no rehab for MarsAddiction, but the good news is that to our knowledge, nobody has died from a MarsOverdose.
I'm on MarsCrack" means: "30 Seconds to Mars makes me high
by @MarsDiable May 17, 2011
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