The act of taking LSD in combination with various tranquilizers, such as methaqualone or secobarbitol.
Jason: Yo, look at Brett! He's stellarbombing right now. Shits fucking crazy, nigga.

Brett: I met Jesus man, he's not cool he shot me with lasers bro. I'm going to bed man.
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Sevo: Yo, I just stellarbombed like 2 hours ago, I'm about to fall off the face of the earth.

Greg: Whoa, dude! Fucking stellarbombs, bro!
by TheStellarBomber September 9, 2010
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