Being relatively heavy.
Being a leader in one's field.
Important or impressive.
Of the heavyweight boxing (or similar) division.
A similar division and contestant in other sports.
A very large, heavy, or impressive person.
The professional boxing weight class for boxers weighing more than 190 pounds; a boxer in that division.
Loose and full.
Frank and tolerant.
Done with an open hand.
Generous.
Generously.
With an open hand or hands.