strait-laced or straight-laced, acid - laced

strait-laced or straight-laced, acid - laced 

acid - laced classic.

strait-laced or straight-laced (strāt'lāst') adj.

1. Excessively strict in behavior, morality, or opinions.
2. Having or wearing a tightly laced garment.

[STRAIT, tightly (obsolete) + -laced (from LACE).]

straitlacedly strait'-lac'ed·ly (-lā'sĭd-lē, -lāst'lē) adv. straitlacedness strait'-lac'ed·ness n.