undie

From undies.

• IPA^(key): /ˈʌndi/

• Audio (Southern England)

  (file)

• Rhymes: -aɪ

undie (plural undies)

1. (informal, often attributive) Underwear.
   • 1999 November, Derek de Koff, "Portrait of a Fetishist", Out, page 70:

     Here are a few pointers from an undie-snatching master.

   • 2004 November, Lian Dolan, "Chaos Chronicles", Working Mother, page 98:

     Add an undie stop to the list.

   • 2006, Upamanyu Chatterjee, Weight Loss, page 348:

     Pick up the baby’s vest off the floor and put it on as an undie.

From undercover.

• IPA^(key): /ˈʌndi/

• Audio (Southern England)

  (file)

undie (plural undies)

1. (informal) A spy, undercover agent.
   • 2016, “Let’s Lurk”, ASAP (lyrics), performed by 67 ft Giggs:

     I've got mad hate for the undies
     Moving like gyal, tryna cuff me

   • 2017, “All This”, performed by Mayhem (Uptop):

     Got a mind for the undies
     I'm tryna stay far from the pigs

un- +‎ die

• IPA^(key): /ʌnˈdaɪ̯/

• Audio (Southern England)

  (file)

undie (third-person singular simple present undies, present participle undying, simple past and past participle undied)

1. To come back to life after having died.
2. To become undead.

• Udine, indue, nudie