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1.
synonym for "bonerific".
i can't wait to hangout with you for the first time in 2 years, it's gonna be erectionary!
by Sir Smegma III, Esq. June 28, 2011
 
2.
An erection experienced while reading a dictionary.
Dude, page 578 gave me a massive erectionary
by Lazy_Quitter January 06, 2011