Since it needs milk, sort leaves for tea (5) A ? S ? M
i assume it is ASSAM (leaves for tea) and As = since + M(milk) - but where does the other SA come from?
Exuberant Man jumped on a plaything (6,6) ?O?N?Y + ?A?T?E
I assume it is bouncy castle (plaything), exuberant = bouncy, but I can't parse the rest