as sin

Related to as sin: Sin cos tan

as sin

A phrase used as an intensifier for a negative description or situation. I wouldn't buy that painting, it's ugly as sin.
See also: sin
Farlex Dictionary of Idioms.

— as sin

having a particular undesirable quality to a high degree. informal
1991 Robert R. McCammon Boy's Life Everybody knew Saxon's Lake was as deep as sin.
See also: sin
Farlex Partner Idioms Dictionary

sin

n. synthetic marijuana. (Drugs. From synthetic.) Most of this stuff the kids put down good money for is not sin but angel dust.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

as sin

Completely or extremely: He is guilty as sin.
See also: sin
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • sin
  • fall into sin
  • be (as) ugly as sin
  • miserable
  • miserable/ugly as sin
  • (as) miserable as sin
  • (as) ugly as sin
  • as ugly as sin
  • ugly as sin
  • ugly