English edit

Etymology edit

boink +‎ -y

Adjective edit

boinky (comparative more boinky, superlative most boinky)

  1. (informal) Bouncy.
  2. (informal) Making or resembling a boink sound.
    boinky sound

Noun edit

boinky (uncountable)

  1. (informal) sexual intercourse (Can we add an example for this sense?)