The nasty blackish-brown goo that can be found inside a pug dog's nosefold. Has the unfortunate tendency to stain anything it comes into contact with.
by yvonne likes cookies May 5, 2009
Get the pug buttermug. The reproductive juice excreted from a pug, useually rubbed on your arm or pants after petting a pug.
by Dave Themack May 31, 2006
Get the PUG BUTTERmug.