Jimpy

adj, noun, slang

adj, noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A sex-linked mutation in mice that causes severe hypomyelination in males. uncountable

    "When cerebellar tissues from normal and Jimpy are grown on the same slide in a common medium, no mutual effects can be observed: the Jimpy does not myelinate, and the normal does not stop myelination."

  2. 2
    A general-purpose machine gun (GPMG). slang

    "1985 [Hodder and Stoughton], Terence Strong, Conflict of Lions, 2014, Silver Fox Press, unnumbered page, Before they had come to a standstill, the protective cover had come off the powerful twin GPMG ‘jimpies’ mounted in the rear compartment by the laconic Australian, Corporal Kangers Webster."

Adjective
  1. 1
    Neat, jimp.

    "[…]though more than a hundred folk sitting in his company had beheld him dauting her with his arm round her jimpy waist, not five minutes before."

  2. 2
    Of, pertaining to, carrying or affected by the mutation. not-comparable

Example

More examples

"[…]though more than a hundred folk sitting in his company had beheld him dauting her with his arm round her jimpy waist, not five minutes before."

Etymology

From jimp + -y.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.