Possible Clues:

• Cross the last out with indignation
• Take ship to be missing one flag - 8's?
• Realist awfully cross
• The anger of a sailor is enough to make one cross
• The 22 across of the sailor is enough to make one cross
• National flag gives sailor displeasure
• This might get Sarah weary enough to be cross
• Cross enough to get the sailor cross
• Perhaps across makes sailor cross
• That's enough to make the sailor weary and cross