What does 吸い殻 mean?
吸い殻 is a Japanese noun meaning “cigarette butt” in English. It is written as 吸い殻 in kanji, すいがら in hiragana, and suigara in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
もう・・・タバコの吸殻まで散らばってるし。
Sheesh, you've even got cigarette butts scattered around.