a small penis or no penis
you see some one with a small penis and you say: hey he's got a marthijntje then you laugh and point at him
by henkiespenkie March 1, 2010
Get the marthijntjemug. Get the marthijntjemug. Get the marthijntjemug. Get the marthijntjemug. We'll email you a link to sign in instantly.