A verb meaning to chill, as in to sit around and do nothing, or to hang out with friends during summer.
The use of this word in ANY other season will result in you sounding like a DUMASS.
Jason: hey what's up?
Nick: nothing much, just summering.
Jason: I thought you had to work today..
Nick: oh BLEEP
When a new couple is not sure of what they want, they are testing out the waters. A new found love that is slowing growing but in the end will ultimately crash and burn.
Oh yeah haven't you heard Jack and Jill are 500 days of summering it.
Really? I hope everything works out in the end or that'll be one big disaster!