Meanings
jimpy1
comparative more jimpy · superlative most jimpy
jimpy2
- uncountablebiologyA sex-linked mutation in mice that causes severe hypomyelination in males.
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.
1973, Norbert N. Herschkowitz, “Chapter 4: Genetic Disorders of Brain Development: Animal Models”, in Gerald E. Gaull, editor, Biology of Brain Dysfunction: Volume 2, Plenum Press, page 1721 more example
1999, Klaus-Armin Nave, Chapter 2: X-Linked Dysmyelination: Mouse Models of Pelizaeus-Merzbacher Disease, Brian Popko (editor), Mouse Models in the Study of Genetic Neurological Disorders, Kluwer Academic / Plenum Publishers, page 29, The jimpy phenotype is marked by a CNS-specific dysmyelination and has provided an authentic animal model for PMD (Sidman et al., 1964). Typically, 50% of the male progeny of jimpy carrier females are affected, whereas the heterozygous carrier female itself is unaffected.
- not comparablebiologyOf, pertaining to, carrying or affected by the mutation.
jimpy3
plural jimpies
- slanggovernmentA general-purpose machine gun (GPMG).
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.
1 more example
Immediately to his right was our very latest addition to the hill, Frank, on one of the Jimpies. To his right, leaning against the wall with his sniper rifle, was Caz.
2013, Jake Wood, Among You: The Extraordinary True Story of a Soldier Broken by War, Mainstream Publishing, unnumbered page
Origin
Cite this entry
jimpy. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/jimpy
“jimpy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/jimpy. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “jimpy,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/jimpy.
Source: jimpy on Wiktionary, CC BY-SA 4.0.