Meaning: squeeze (someone) tightly in one's arms, typically to express affection.
Watch and learn ASL for L2 beginners and L1 children.
Read the book "Hug" by Jez Alborough. Translated by Evelina Gaina with English glosses (transliteration).
ASL-speaking babies don't develop the crossed arms (proximalization) till later, just like vocal-speaking babies take time to develop their phonemes.
With English subtitle.