To dream that you are drinking or need your coffee suggests that you need to gain some insight and knowledge before making a decision or tackling some project/relationship. You may be acting too hasty and need to slow down. Alternatively, it may imply a need for you to change your routine.
To dream that you are drinking coffee with someone indicates that you might have feelings for that person. Alternatively, having coffee with someone denotes your hospitality and sociability. If you dream that you are trying to make coffee, but encounter a problem (i.e. broken coffee maker, looking for a measuring spoon, using too much water or coffee grounds), then it suggests that you are trying too hard to please others.
To see a coffee pot in your dream signifies hospitality and sharing of knowledge, hopes, concerns and/or ideas. It may also represent neighborliness, comfort, and companionship.
Dreaming of dry coffee grounds refers to your readiness for change. To dream that you have a mouth full of dry coffee grounds point to a decision that you are having a hard time accepting.