Chimbridge Singlish Dictionary

definitions

noun

1. (military) the coat of arms of Singapore, so named because its shape vaguely resembles a crab when seen on a rank epaulette in a Singaporean military uniform.
2. (military, with either 1, 2, or 3 preceding) a military rank, with 'one crab' referring to a Major, 'two crab' a Lieutenant Colonel, and 'three crab' a full Colonel, corresponding to their rank insignias of one, two, and three Singaporean coats of arms in a column respectively.

First time the recruits saw a three crab, they were so stunned like vegetable they forgot to diam.