Construct:	Noun, Verb
Definition:	Sexual intercourse, to have sexual intercourse.
Use:	I had a great flah last night. I enjoyed intercourse last night.
Derivation:	Possibly Irish 'Fleadh' - party Note 'Fele' (Fíal) - that which causes shame, nakedness, pudenda. Note 'Fell Óg' - a false virgin. (Joynt and Knott) Possibly corruption of Old Irish 'Sleith' - act of surprising a sleeping woman, having intercourse with her. (Quin) English 'Flay' - to criticise, to plunder (a person). Old English 'Fléan', Middle Dutch 'Vlae', Old Norse 'Flá', from Germanic 'Flahan'. (Compact English Dictionary)