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1.
a hairy yet cool fellow who resembles the likes of

1.scooby-doo
2.jesus christ
3. alan

some ways to recognise a mahndog is:

* a large phisique
* copious amounts of facial hair/afro
* loud barking

if confronted by a mahndog, you can calm it down but offering a mahnysnack.
that shitz wack homie mahndog
by trubonator July 14, 2010