Definitions by Los of Vallejo

Mustard & Mayonaise 

Colored Side walls on Tires.Mustard is defined as the yellow sidewalls, Mayonaise is defined as the white side walls. Together they are refered to as Mustard and Mayonaise, refered to by hip hop artists in Vallejo, California

Yo Dog that Nigga is Rollin on twenty twos wit Mustard and Mayonaise

Mustard & Mayonaise by Los of Vallejo April 5, 2004