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1.
adj.
having qualitites conducive to gettting fucked on a couch.
Damn, that girl is definitely couchable!
Word, bro! I bet she would make you reach 8-X=P~!
by HappyHenry35 April 22, 2003
 
2.
An adjective used to describe any activty that is able to be done on the couch.
QUESTION: "Babe, can you write the remaining thank-you notes?"
RESPONSE: "I can, if it's couchable"
by chris s. s. March 29, 2008
 
3.
A space that is big enough to fit a couch through.
Hey, I need to move some furniture up to my apartment, are these stairs couchable?
by roronoa September 19, 2010