Definition of pinhooking in English:

pinhooking

noun

South Midland, Regional, US
Horse racing
  • The practice of buying livestock cheaply (now especially a very young racehorse) in the expectation of selling it on later at a profit.

Origin

1960s; earliest use found in Salisbury (Maryland) Times. From pinhook + -ing.

Pronunciation

pinhooking

/ˈpɪnhʊkɪŋ/