Dictionary

suceur

/sy.sœʁ/

adjective/sy.sœʁ/

sucking

From sucer + -eur.

noun, masculine/sy.sœʁ/plural: suceurs

any insect that ingests food with a proboscis; flatterer, sycophant; fellator or cunnilinguist; male homosexual; vampire

From sucer + -eur.

suceur — French Dictionary | Passage