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1.
A shamewank can be defined by the distraught feeling you get after masturbation, knowing that your belly is covered in cum having thought about the most disgustings thing ever.

Examples of these are:

Your dog
Your cat
Your best friends girlfriend
Your best friend (Same sex)
Your mum
Your sister
The 80 year old woman down the road
Dead people
I caught young billie havin' a damn shamewank last night. Motherfucker had a picture of your sweet grandma in his left hand, while he beat his man meat and spunked on her glass covered pretty lips. Motherfucker!
by Ashamedbuthappy October 23, 2009

Words related to Shamewank

masturbation sex spunk tosser wank