Ignoring with スルー
スリー comes from “through”. It means to evade a topic or question. It also means to ignore.
Usage
As a verb, it is written スルーする.
Dictionary Definition
俗に、受け流すこと。何もしないで待っていること。
Commonly, to evade. To wait without doing anything.
Goo Dictionary
Examples
Don't ignore my question with スルー

Nako ponders about her teacher’s tendency to run away from her. She asks Aru if she’s really that scary-looking. Aru stands in silence for a moment before changing the subject.
- アル:
- 「あれ?今日ぼっちは?」
- “Oh? Where's Bocchi today?”
- ぼっち:
- 「おい スルーするな」
- “Hey, don't ignore me!”