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When a woman or man is so attractive that they give you a boner.
"Wow, Katie Holmes is bonertastic!" - Man who speaks the truth.

"Oscar the Grouch is such a pain in the ass, but he's bonertastic." - Elmo
by SuperSonicX September 18, 2005
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3
Hott enough to give a guy a boner.
Dude, she is "bonertastic"....
by Juaia November 15, 2004
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