Long Forearms and Upper Arms
Scholars have said that if someone dreams of their forearms and upper arms being longer than they usually are, it may indicate that they are a cunning person, yet generous and brave.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.