I believe you're referring to "shared drops" which means there is only 1 drop total per game made. If you want to separate both your drops from each other (where you get one drop and he gets one drop that only you each can see/pick up) That is called individual drops.
Type This is lobby to enable individual drops:
/dropstyle 1
Default when you create an account is shared drops ( all players share the same drop, so who picks up first, gets the drop)