When you want to be hip so you ask your friend, whats up dog. If your friend is being a complete idiot or you don't have any friends you can go with a simple joke such as an example written below
Synonyms for Whats Up Dog
On this page, you will find 30 slang terms related to whats up dog. Some of the top words include: fuck-off-slaten, it was so funny I forgot to laugh..., taking the piss, trick, ROFLdotCOM, and 25 more.