Green’s Dictionary of Slang

kisser n.

(orig. boxing)

1. as a physical feature.

(a) [mid-19C+] the mouth; in pl., the lips.

(b) [late 19C+] the face.

(c) [1970s] the anus.

2.

(a) [1950s+] a toady, a sycophant [abbr. ass-kisser n.].

In phrases