Findings:

• grr (user)
• Mardi Gras Krewes
• The Mardi Gras bomber
• Seattle Mardi Gras
• Mardi Gras celebrations in the US other than New Orleans: an observation
• Mardi Gras Beads
• Mardi Gras
• gr (user)
• Helan går
• g+r (user)
• GRS
• GR SUPER SAYIAN (user)
• G.R. Emlin

If you Log in you could create a "Mardi Grs" node. If you don't already have an account, you can register here.