adv.

1)Sucking on a phallic object with vigor.

2)Sucking on many phallic objects.

Root Fellaccious
She sucked fellaciously on the end of her brush to turn him on.
by kwiztas August 29, 2011
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adj (derived from fellatio) - when something is so good or cool you'd give it head if you could.
Omg! That new phone is so fellacious!

That cake was so fellacious I think I wanna go give my boyfriend head!
by jigahigacityniga May 24, 2009
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adj., of convincing your partner that fellatio is delicious, as in "a fellacious argument", cf. noun, fellacity
Dick's fellacious endeavours finally convinced Jane.
by mum61e November 29, 2012
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1. (noun) The act of a male receiving oral sex from a female counterpart, and then busting on her face, specifically in the eye region.

2. (noun) to receive oral sex on a glacier.

3. (adjective) the euphoria felt when receiving oral sex.
1. John gave Marie a fellacial after a night on the town because he decided she wasn't worth seeing again.

2. If Jack and Rose had jumped ship before the Titanic sank, then he could have received a proper fellacial so that he could have been the one to let go.

3. Receiving oral sex for the first time gave Michael a fellacial.
by Darren F. March 4, 2008
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Excellent, to the point of being unbelievably good fellatio (oral sex performed on a man).

Not to be confused with fallacious.
"Ohh, girl! I can't believe how good you are at that; it was straight fellacious!"
by Tommyboy23 December 18, 2013
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"Yo man, my girl gave me a fellacier last night. It was pretty cool."
by ChrisWright August 16, 2014
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