The term "Grand Old Party" is a traditional nickname for the Republican Party and the abbreviation "GOP" is a commonly used designation. The term originated in 1875 in the Congressional Record, referring to the party associated with the successful military defense of the Union as "this gallant old party (Wikipedia)
GOP means "Grand Old Party"
GOP is a nickname for the US Republican Party.
The term "Grand Old Party" is a traditional nickname for the Republican Party and the abbreviation "GOP" is a commonly used designation. The term originated in 1875 in the Congressional Record, referring to the party associated with the successful military defense of the Union as "this gallant old party (Wikipedia)