The crossword solution for the term 'What Wavy Lines Mean, In Comics' is ODOR, which stands for 'Onomatopoeia, Dialogue, Obstruction, and Reaction'. Onomatopoeia are words that imitate a sound, dialogue is the conversation between characters, obstruction is when something blocks the view of the reader, and reaction is when a character responds to something. In comics, these wavy lines are used to indicate sound, conversation, obstruction, and emotion.