lipcurl verb 1noun 1forms 3 verb1 •To perform a lipcurl.The male sniffs the urine or takes some into his mouth and "lipcurls" by raising his head with the mouth open and upper lip curled back. — 1984 noun1 •Synonym of flehmen.Flehmen or lipcurl was quite common, usually by a male to the urine of a female, especially if the female was in heat. — 1970 formslipcurled · lipcurling · lipcurls
