Definition of tighty-whities in English:

tighty-whities

noun

informal
  • Men's white cotton briefs.

    • ‘It's a pity the photo doesn't capture the tighty-whities visible through the open sides of the dungarees - those really drew the whole costume together.’
    • ‘‘My husband wears tighty-whities,’ she giggled, bending over in hysterics.’
    • ‘And when Tony told us to strip, I didn't want to take my pants off because I didn't want to show off my tighty-whities.’
    • ‘He was still in his tighty-whities for God's sake!’
    • ‘‘I used to go over to his house to take dictation, and he'd answer the door in his tighty-whities,’ she recalls of her boss.’

Pronunciation:

tighty-whities

/ˌtītēˈ(h)wīdēz/