An expression taken from "buy now, pay later." This refers to the (often untrue) assumption that bisexual people are going through a phase and will eventually come out as gay. It is usually considered offensive.
guy: you're gay, right?
me: I'm bi.
guy: bi now, gay later
or
guy: What was she doing with another woman? I thought she had a boyfriend.
girl: she's on the bi now gay later plan.
me: I'm bi.
guy: bi now, gay later
or
guy: What was she doing with another woman? I thought she had a boyfriend.
girl: she's on the bi now gay later plan.
by bluepens September 10, 2005
A person who claims to be bi-sexual, but is really gay. This person will realize within a year or two that he or she is not attracted to the opposite sex at all.
by paddle May 04, 2010
When people come out as being Bi, before later revealing that they are actually Gay. Seen by some as easier than coming out.
by Mr GGGGGGGGG May 27, 2009
Michael told his boyfriend that he still likes girls, but he's clearly on the bi-now-gay-later plan.
by Will J. Pa. May 19, 2006