Definition of "stim"

stim¹

/stɪm/

noun
plural stims
1. (informal) Clipping of stimulation.
  Quotations
  “Electric therapy has been used in medicine for thousands of years,” says Ken Rusche, director of Wellington Sports Medicine and Rehabilitation Center, a physical therapist and athletic trainer. “ […] Electrical stim is being used in the field of medicine for rehabilitation and strengthening after injuries. […] ”
  1986 January, Joan Fox, “Can You Get Tanned and Trim Without Sun or Exercise?”, in Cincinnati, volume 19, number 4, page 102
2. (psychology, autism) Any repetitive self-stimulatory behavior (e.g. hand flapping, head banging, repeating noises or words), frequent in people on the autism spectrum.
  Quotations
  Autistic people often stim with the help of technologies such as music and stim toys or tools to mediate between inner worlds and outer environments that may over/underwhelm us.
  2021, Erin Felepchuk, Disability Studies Quarterly‎
verb
third-person singular simple present stims, present participle stimming, simple past and past participle stimmed
1. (psychology) To perform such a repetitive self-stimulatory action.
  Quotations
  Autistic people often stim with the help of technologies such as music and stim toys or tools to mediate between inner worlds and outer environments that may over/underwhelm us.
  2021, Erin Felepchuk, Disability Studies Quarterly‎

stim²

/stɪm/

noun
plural stims
1. (slang) Synonym of stimulant (drug).