noun
ingratiating smile; insincere laugh
Rare term for a forced, insincere smile or laugh meant to win favor; the common equivalent is 愛想笑い.
See also: 愛想笑い
彼女は愛嬌笑いを浮かべながら、つまらない話に相づちを打った。
She nodded along to the boring story with an ingratiating smile.