Top definition
a very annoying dog.
friend "dude, your shmoog is barking again.." or guy: " hey what happened to your dog?" other guy: " it was a shmoog.. it had to go."
by fart69-1945 June 09, 2011
Happy St. Patties Day!
Someone who is uncool. Thinks he/she is more important than others. You would call someone that when they did something ridiculous or said something humorless.

Can be used as:
"Shmoog, that was a pretty cool joke." (Sarcastically)
by Gray Gray96 November 19, 2009
Happy St. Patties Day!
The sound a baby makes while sucking on a pacifier
The baby made such a loud Shmoog sound when he sucked his pacifier
by Shaun Frank November 11, 2007
Happy St. Patties Day!