Green’s Dictionary of Slang

1. ‘a silly, empty, starcht fellow’ (B.E.).

1512		Hickscorner Ci: I wolde that hell were full of suche prymmes Than wolde I renne thyder on my pynnes As fast as I myght go.
c.1525		J. Rastell Gentleness and Nobility line 926: Trow ye that I care for these nise proude primmys, These paintyd popagays that hold up their chynnys And loke so smoterly.
c.1698		B.E. Dict. Canting Crew n.p.: Prim, a silly empty starcht Fellow.

2. (Aus.) a female beauty.

1895

C. Crowe Aus. Sl. Dict. 61: Prim, a beautiful woman.