Amazingly kind heart, you find yourself attracted to his smile. He will always be there to lend a helping hand
Call Onan, he knows everything.
by Chips505 December 10, 2016
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Doing something only to undo it in a second
Doing something incompletely
"He just called me, but it went straight to voicemail. I guess it was just one of those onane calls. In India we simply call it a 'missed call'."

"He just inserted his dick in my vagina and removed it in a jiffy. I guess we can call it onane sex."
by chichora_no1 October 8, 2012
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that boy is so onanistical
he is havin a blast with that onanism
My pito is ready for its ony time
by mexican't101 February 26, 2009
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The withdrawl method of birth control

(removeing ones penis before reaching orgasm)

-not an effective method of birth control
Lets do onanism tonight hunny
by dude August 25, 2003
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A dumbass, usually shit at life. You may also tell that he is horrible at soccer
"Yo, Onan why are you so bad at soccer?"
by ForniteSniper017 September 2, 2018
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Prior to killing Martha Moxley, Michael Skakel masturbated in a nearby tree. He was convicted of 1 count of arboreal onanism.
by TwatCop September 7, 2005
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From the Book of Genesis: Onan and Er were brothers; when Er died, their father Jacob decided that Onan should assume matrimonial duties with Er's childless widow. However, instead of completing the act, Onan "spilled his seed on the ground". God considered this an evil act and Onan was slain for it.
A man was observed on the London Underground practicing the faith of a Disciple of Onan. Police were called and apprehended the suspect.
by BF1971 May 7, 2019
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