뒷다마

Etymology
, the last component from.

Sometimes, the "talking behind someone's back" sense is alternatively interpreted as a, the last component from. Compare.

Noun

 * 1)   to hit the object ball from the back
 * 2)  the act of talking negatively behind someone's back

Usage notes
Due to its Japanese origin and vulgarity, this word was purified in the late '90s to early 2000s to. The purification was so successful that today, many younger speakers perceive it to be the original form. By such speakers, this word may be perceived as a misspelling.