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Pronounced 'beeday'. These are lips that are perfect for licking out ass. Similar to b.j. lips (great for blow jobs).

Orignating from the french word bidet. In France the bidet is used for cleaning the ass after taking a dump.
"Did you see her lips after surgery?"

"Yeah she can suck on my ring any day, they are the juiciest bidet lips I've ever seen"
by staygold1984 April 05, 2010