a double buckler is the common word for someone who is a slut. a double buckler is someone who usually fools around with more than one person at a time, or goes far sexually with someone on the first date/time meeting.
Jessi double buckled with Wayne the first night she met him behind the fence.
Jamie has been double buckling with Barry even though she was supposed to be exclusive with Randy!
"Ewww did you see Rachel double bucking with that kid at the party? she has a boyfriend!"
or Double thonging it, is when someone wears the same thong underwear two or more days in a row. Can also be altered to triple, or quad thonging it, as the situation dictates.
"oh man, she wore that yesterday! I can'tbelieve she double-thonged it!"
A term referencing any person and/or object that is nasty, old or considered trailer trash. More specifically, it applies to the large SCSI cables that were used on large computer equipment and scanners back in the 90's.
RunMa! He has a double-wide SCSI (scuzzy)!
She moved into a double-wide SCSI (scuzzy).
That girl is a double-wide SCSI (scuzzy).