A woman on whom backside attack is impossible due to bulkiness. The hindrance resulting is a case of too much cushin for the pushin. So named for inability of a tertiary alkyl halide to undergo the Sn2 reaction.
Guy: Oh man, Oprah is so fine. I'd doggie on that all day.
OtherGuy: Dude, you never could, she's a total t-butyl.
Russian figure skater (ice skater). Also known as "Masha". 1999 World Champion, two time Olympian, three time European Champion. Oldest Ladies' World and European Firgure Skating champion (ages 26-World Champ and 29-Euro Champ). Beat Michelle Kwan. Hottie! Looks like actress Eva Marie Saint (from back in the day).