flatfoot

be flat-footed

1. To be unprepared or slow to react. That goal was my fault, guys. I was flat-footed on the play. The company has been somewhat flat-footed in its response to the scandal.
2. To be clumsy and awkward. Don't trust her carrying that vase—she's so flat-footed. I would change your opening argument—it's a little flat-footed as it is.

flatfoot

slang A police officer. Please, that old flatfoot will never be able to catch up to us once we run out of the store.

flat-footed

1. Slow to react. Unprepared. Often used in the phrase "caught flat footed." That goal was my fault, guys. I got caught flat-footed on the play.
2. Clumsy and awkward. Don't trust her carrying that vase—she's so flat-footed. I would change your opening argument—it's a little flat-footed right now.
Farlex Dictionary of Idioms.

flatfoot

and flatty
n. a police officer, especially a foot patrol officer. (Older.) Think about how the flatfoot on the beat is affected by this cold. There’s a flatty on the corner. Go ask him for some help.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • be flat-footed
  • flat-footed
  • footed
  • flat-footed, to be caught/catch
  • be caught flat-footed
  • catch (one) flat-footed
  • catch someone flat-footed
  • caught flat-footed
  • catch (someone) red-handed, to
  • (as) flat as a strap
References in periodicals archive
In conclusion, a stress fracture of the talus may be provoked in adult-acquired flatfoot deformity.
Calcaneal osteotomies for the treatment of adult-acquired flatfoot. Clin Podiatr Med Surg.
The Achilles tendon, peroneus longus (PL), peroneus brevis (PB), flexor digitorum longus (FDL), flexor hallucis longus (FHL), and posterior tibial tendon (PTT) were left for tensile load to create the flatfoot model.
Prevalence of flexible flatfoot in Taiwanese school-aged children in relation to obesity, gender and age.
Prevalence of flatfoot in Turkish male adolescents.
The physiological or flexible flatfoot, characterized by a normal arch without weight support and flattening of the arch during standing (3), is often noted during the first decade of life and can be symptomatic or asymptomatic.
(12) But the programmes had been printed before this intention became clear to the company; so they inserted an additional slip into the programmes, saying "The play 'The Swaggering Soldier' featured in tonight's performance of Flatfoot was written by Titus Maccius Plautus."
Adult acquired flatfoot deformity: treatment of dysfunction of the posterior tibial tendon.
The human foot mould model realizing, providing from a person with flatfoot;
A former "flatfoot" in what, at the opening of the novel, is the former regime, Martens has unwittingly assisted his superiors in facilitating the collapse of the power structure he served by following the very "logic" the structure demanded.
But we may be caught flat-footed--maybe by a flatfoot! Or by a gumshoe.
In June the Ensemble Theater on Sydney's North Shore will mount "Flatfoot," a Roman comedy of bad manners, directed by STC's Biggins, starring Forsythe and Tina Bursill.
The three main foot types include the normal foot (medium arch), the cavus foot (high arch), and the planus foot (low arch or flatfoot), and sprained ankles.
If anything, with your flatfoot structure and need for an arch brace, you would be safer to use a more supportive, straight-lasted, anti-pronation shoe.