There is no unit larger than a slew
which explains why there are never ever two.
Two slew would be too many, while a few
slews are an oxymoron, or a clue
to numbers that escape the Argand plane.
I am sure this poem’s next reader will explain.
Earth Tourist
recently posted poems by alan reynolds
Earth Tourist 
remove an apostrophe,
and all will be clear to me
:)
Egad, hoisted etc! Thanks, Elise. Revision being made right now!