Cockamamie

He told the boss some cockamamie story about being sick and needing days off from work.

Source: tatoeba (982667)

“If it wuz a nickel,” said one broody voice between the gratings, “I could buy fuh two cends cockamamies an’ pud em on mine hull arm. An’ den fuh t’ree cends I’ll go to duh movies.” “Yuh c’n buy fuh t’ree cends cockamamies.” Izzy crisply revised the dream.

Source: wiktionary

As a youngster in The Bronx in the early 1930s, I would occasionally take my windfall of a few pennies to the local candy store and buy a strip of cockamamies, ‘comic-style cartoons in brilliant colors, each about an inch by an inch and a half, transferable to forearm or forehead by wetting’, preferably with saliva to make things agreeably messy.

Source: wiktionary

Lo and behold, in full color there was a photograph of an old glass-paned hanging cupboard with clusters of strawberry, cherry, green grape and apple “cockamamies” pasted in the center of each pane.

Source: wiktionary