An adjective most commonly used to enlighten fellow male acquaintances that a woman with outstanding breast or derrière is within the vicinity.
Often shouted or spoken loud enough to make sure every male within the area can be made aware of the spectacular sight.
Freddy: RIGS!
Jonny: Where, where?!
Freddy: 2 o'clock, walking past the bus stop...
Jonny: Offt! Great shout mate
312👍 115👎