A girthy, manly, testosterone fueled mad man. Do not fuck with him he will slap you so hard you will ascend to the fifth-dimension and immediately die.

Girl: me me want big boy
Me: Guess what, me me slapster fapster
Girl:*cums everywhere (in the fifth dimension)*
Me: yes.
Girl:*fucking dies*

slapster fapster by Slapster Fapster October 16, 2018

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fapster

A person who frequently faps.

That Marcus, he's such a fapster, his floors are all dirty and his carpets are stained.

fapster by Ssilver7 September 29, 2005

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fapsterbate

To masterbate or jack off VIGOROUSLY.

Tyler is such a sick fuck, I caught him fapsterbating the other day.

fapsterbate.

fapsterbate by Fred E. Rick December 17, 2007

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Fapsterpiece

A combination of the words fap and masterpiece. Generally held to be an excellent example of materials that can be used to masturbate.

(friend booty dancing on skype)

Me: You should do that for your boyfriend. it would be fapsterpiece.

Fapsterpiece by NYCtyisweriwnt2b June 6, 2011

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