i-adjective
Describes food that is heavy, rich, or unpleasantly oily; can also describe a person's face or skin as shiny with oil.
このラーメンはあぶらっこくて、全部食べられなかった。
This ramen was so greasy I couldn't finish it.
揚げ物ばかり食べていると、顔があぶらっこくなるよ。
If you eat nothing but fried food, your face will get oily.