Caller pranked O saying his sister was blonde so as
@Catbone might say "try not to stuff her like a thanksgiving turkey" to which O replied that he knew of a nice place on the bayou to dump callers such as him. Or in East, TN speak: 'we know of a nice quarry to drop you in.'
The backstory is basically Coach O is an Urban Meyer type man-skank who has been running around publicly with a blonde mistress. Because LSU is sucking fans that were already uncomfortable with it are now shouting it out. Ed O is in trouble.