Back in California, Zach finds that people from whom he might learn about the bombing either die, disappear, or clam up.
You see this a lot when individuals who are accused of something decide to clam up, often under the advice of their attorney.
“The clam Castle was crowded with taxpayers,” Pete says in typical fashion.
Sour Cream and clam Chips Manufacturer: Humpty Dumpty Potato Chip Co.
Commonly, as a chief Hanway manager, he lay as blandly close and noncommittal as a clam.
And I notices that every time clam Creek is mentioned he pricks up his ears.
clam should be heard outside the show in the tumult of smacks and kicks which accompanies his improvised dialogue with his butt.
Only say he go muchee to clam bake, go fishee and much smokee.
The milkman will make more money than the clam man, but he will have no more.
When a person has lickt out the meet of a clam he throws the shell away.
bivalve mollusk, c.1500, in clam-shell, originally Scottish, apparently a particular use from Middle English clam "pincers, vice, clamp" (late 14c.), from Old English clamm "bond, fetter, grip, grasp," from Proto-Germanic *klam- "to press or squeeze together" (cf. Old High German klamma "cramp, fetter, constriction," German Klamm "a constriction"). If this is right then the original reference is to the shell. Clam-chowder attested from 1822. To be happy as a clam is from 1833, but the earliest uses do not elaborate on the notion behind it, unless it be self-containment.
"to dig for clams," 1630s, American English, from clam (n.). Clam up "be quiet" is 1916, American English, but clam was used in this sense as an interjection mid-14c.
clam up •The term must be earlier than the date given, although no examples can be provided. Middle English clum, ''be quiet! shut up,'' of obscure origin, may not be related to clam (1916+)