It means “I want to make you orgasm” — in other words, a sexual line about wanting to pleasure someone. In the context of the song discussion, it’s usually read as blunt, flirty, and intentionally provocative rather than romantic.

What it implies

  • “Make you cum” = make you climax/orgasm.
  • The phrase “just want to make you cum-a” is a stylized lyric, so the extra “a” is for rhythm and sound, not a different meaning.
  • In the song context, it can also suggest a shallow, physical-only attitude toward the relationship.

Plain-English meaning

If someone says it in casual speech, they’re basically saying:

  • “I want to give you sexual pleasure.”
  • “I’m focused on sex right now.”
  • “I’m not being subtle.”

Tone

Depending on who says it, it can sound:

  • playful,
  • dirty/flirty,
  • or disrespectful if it feels objectifying.

TL;DR

It means “I want to make you orgasm” ; in context, it’s a sexual line that can also hint at a hookup-only vibe.