(idiomatic) Alternative form of butterface / Used other than figuratively or idiomatically: see butter, face.

Characterized by an ego trip; self-aggrandizing, self-serving.

Situated or directed towards a lagoon

(organic chemistry) A red quinoid carboxylic acid 3-carboxymethyl-5-hydroxy-1,4,8-trioxo-4,8-dihydro-1H-fluorene-9-carboxylic acid present in the skin secretion of the hippopotamus