Definitions by SJP2010

ANSF 

acronym for-all night sex fest.

usually describes evening with multiple concurrent and/or, consecutive sex partners at orgy, backroom, darkroom, sauna etc.

"Oh man I'm so tired, rolled home at 6am after ANSF."

Useful acronym to use in work email that filters out "sex".

ANSF by SJP2010 October 18, 2009