"Toe the line" means to follow the rules. Here, "Tow That Line" refers to the effort it takes to "tote that barge" or to "haul ass" to spit-polish each line of poetry.

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A limerick can be truly awesome,

though some people think that they’re flawsome.

The best take hard work,

but a failure’s no quirk

so you polish and floss ’em or toss ’em.

By Ken Gosse

From: United States

Facebook URL: https://www.facebook.com/ken.gosse/