have it away

(British very informal!) also have it off (British & Australian very informal!)

to have sex with someone (often + with ) She was having it away with her best friend's husband.

Name	Pronounced	Usage
Sedna	-	Mythology
Hailwic	-	Ancient Germanic
Abdias	-	Biblical Latin
Gaia	GAY-ə (English), GIE-ə (English), GAH-yah (Italian)	Greek Mythology, Italian
Alexandra	al-əg-ZAN-drə (English), ah-lek-SAHN-drah (German, Romanian, Spanish, Italian), ah-lək-SAHN-drah (Dutch), ə-lə-SHAN-drə (Portuguese), ə-lə-SHAN-drə (Brazilian Portuguese)	English, German, Dutch, French, Swedish, Norwegian, Danish, Icelandic, Greek, Portuguese, Romanian,
Columbine	KAHL-əm-bien	English (Rare)