Definitions by Strideo

slip-day 

A grace day for handing in a homework late so that the grade will not be penalized.

My report is a day late but it's okay because I have three slip-days in this class this semester.

slip-day by Strideo February 15, 2008

Mumm-Ra 

The primary villain from the popular 1980's animated series ThunderCats. His appearance is usually that of a mummy with a red cowl but he can transform into a more powerful form by reciting the words "Ancient spirits of evil, transform this decayed form to Mumm-Ra, the Ever-Living!"

The evil Mumm-Ra has been plotting to rule over all of Third Earth!

Mumm-Ra by Strideo July 21, 2007

gelfling 

Elf-like beings featured in the film The Dark Crystal. Jen and Kira, the main characters of the film, are gelflings.

"The Gelflings are going to have their essences stolen by the evil Skeksis!"

gelfling by Strideo April 3, 2006