Fulsome means characterized by an abundance of praise or energy, often to the point of being excessive, insincere, or "over the top".
Exuberant means filled with or characterized by a lively energy and excitement, which closely matches the "over-the-top" or "abundant" nature of fulsome.
Rough: Not typically associated with the meaning of fulsome.
Dry: An antonym, as fulsome implies being excessive or "wet" (gushy).
Emotional: While fulsome praise can be emotional, it is more specifically excessive or insincere, rather than just emotional.