fap vs intercourse

fap

• To masturbate. 

• To indicate that someone (normally the speaker) is either masturbating, or inspired to by sexual arousal. 

• Pornography. 

• A session of masturbation. 

intercourse

• To have sexual intercourse. 

• Dealings with people, including commerce and trade. 

• Sexual intercourse usually involving humans. 

• Dealings between countries. 

• Communication, conversation.