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1.
Specific time frame in which felatio is performed. Sometimes abbreviated 'dome sess'.
After our dinner date, she gave me a nice dome session in the B.K. parking lot.
by ScottD January 04, 2005
 
2.
chillin and smokin a whole bowl and or joint by yourself.
Yo, I just went upstairs and had a dome session
by not your bitch November 19, 2006