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1.
Time spent usually in company on the sofa relaxing, chatting, chilling out ... but the time could be spent alone.
Hey Bob, shall we just chill and have some sofa time watching a video?
by songthrush January 22, 2012
 
2.
Where two people are layed on a sofa, one resting their head on the others shoulder. This usually leads to kissing, and then sofa sex.
Me: "Me and Natalie enjoyed some Sofatime last night.". Jordi: "Omg, as if you did that to me man, I'm so in love with her!"
by Sofatimelover May 30, 2009