arse-kisser vs leech

arse-kisser

• A sycophant. 

leech

• A person who derives profit from others in a parasitic fashion. 

• The aft edge of a triangular sail. 

• An aquatic blood-sucking annelid of class Hirudinea, especially Hirudo medicinalis. 

• A healer. 

• The vertical edge of a square sail. 

• To drain (resources) without giving back. 

• To apply a leech medicinally, so that it sucks blood from the patient.