Open Vagina Shut Mouth - related terms are OASM (open
asshole shout mouth - for homosexuals) and GHSM (get
hard shut mouth - for straight men). When people talk too much and put out too
little, OVSM is the corrective term.
girl 1 - "My
boyfriend just doesnt understand me, i told him how i felt about {x situation} and he just didnt understand my feelings! He never takes the
time to really listen to me, he brought me flowers the other
day but they were petunias and i just HATE petunias! We have been together for 3 years and i cant believe that..."
girl 2 - "OVSM!"