その理由は次のとおりです。
* Slang refers to informal language or expressions. It's a state of being, not an action.
* 動詞 存在の行動や状態を説明してください。
例：
* 不正確： "He slanged his way through the conversation."
* 正しい： "He used slang throughout the conversation."
If you're looking for a verb related to using slang, you could use:
* Slanged (less common, implies using slang in a specific way)
* Used slang (more common and neutral)
* Spoke in slang (more specific to the mode of communication)