μορμύσσομαι
From LSJ
ἀλλ' οὐκ ἂν μαχέσαιτο· χέσαιτο γάρ, εἰ μαχέσαιτο → fighting is what she can't do, for if she should fight she would shit
English (LSJ)
A = μορμολύττομαι 1, Call.Dian.70, Del.297: also aor. 1 part. Act. μορμύξαντες JRS17.52 (Phrygia, iv A. D.).