An old mastiff is when one simply kidnaps and elderly person and inserts there penis in the elderly persons anus and uses them as a snow board.
by idiocy March 14, 2014
Get the Old Mastiff mug.Related Words
Old Mastiff
• old
• old school
• Old Head
• Old Navy
• Old Faithful
• old man
• old town road
• old people
• Old Bridge High School