noun
1. The call to indicate the absence of all types of bottoms including "bottoms" and "auto-bottoms" in the dice game, Four-Five-What. When called, 6 is high and 1 is low.
Synonyms: keeping one's mouth shut
Antonyms: bottoms
Origin: Latin - regularis; Old English - botm, Dutch - bodem, German - boden
2. Multiple butts that are found to be of average appeal by a group majority.
"Regular-bottoms! Eat my shorts, Sticks."