An archetypal character in anime/manga, although real life people can perform the role as well.
Cisgendered characters, usually male, who has the appearance (and sometimes, character traits) of an attractive member of the other sex.

Transgendered individuals are definitionally not a trap. Calling them such can be taken to be offensive, due to it being a form of erasure.

Often, but not always, a crossdresser.
Can be after sexual attention, and/or be homosexual. In any case, neither are defining traits, although often debated by fans and anti-fans.
A popular meme is an ongoing debate on whether liking traps (or disliking them) is gay.

Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy

The area where drug deals are carried out

What one's friends up there on the sanctuary moon are walking into, as is one's Rebel fleet. Generally characterized by allowing the Alliance to know the location of the shield generator, and the said shield generator being safe from one's pitiful little band, due to the fact an entire legion of another's best troops awaits them. Coincides with the deflector shield being quite operational when one's friends arrive. Also occurs when one has enemy ships in Sector 47. Often known to take place when that blast comes from the Death Star, leading one to believe that thing's operational.

Less commonly, a trap can refer to when the Force is with someone, but they are not a Jedi yet, and a second party wishes for one to join him, and together they can rule the galaxy as father and son. This type is generally announced by one's unknown sister as she is taken away by a bounty hunter. In addition, a trap can also refer to when one senses Count Dooku, to which the other replies, "I sense a trap." In these cases, the next move is to spring the trap. These two types are becoming increasingly rare, subsiding to the first type mentioned.

in anime, a boy that is so feminine, he looks like a girl; often more attractive than other girls.

Not specifically a place where drugs are sold, rather, The ghetto, specifically the ghetto in Atlanta. Called the trap because people there are stuck in a cycle of selling drugs and hustling to survive, and are therefore "trapped" and unable to leave and make a better life for themselves.