To fullumber means to keep the passion alive in the bedroom if you are too tired to have sex when in a relationship. If you fullumber with someone you engage in the act to prepare yourself but never go any further.
When you fullumber with someone you are fullumbering.
When you fullumber with someone you are fullumbering.
Friend 1: What did you get up to last night?
Friend 2: ...We didn't have sex, we fullumbered.
Example 2: A couple comes out of a room, I bet they were fullumbering
Friend 2: ...We didn't have sex, we fullumbered.
Example 2: A couple comes out of a room, I bet they were fullumbering
by EvilWaffleS February 26, 2011
Get the Fullumbermug.