Going all out in pleasing your female partner's nethers.
See "monch the conch"
Acceptable uses/derivations:
Conchmonch (noun or verb)
Conchmoncher (a moncher of conch)
Conchmonched (state of having conch been monched)
Conchmonching (a state of active and ongoing conch monch)
Girl 1: How was your Tinder date?
Girl 2: He's a conchmoncher for sure.
Girl 1: So when's the wedding?