This is a collection of taglines (one-liners), selected from the huge database at www.taglinesgalore.com.

U.S. Air Force: I'd fly to Iraq to smoke a camel!

UFOs are real... the Air Force doesn't exist.

UN: Liberal for USSR.

URAT, if you argue with your physics prof about variable warp dynamics.

URAT, if you call a condemned house Decommissioned.

URAT, if you call your diary The Captain's Log.

USS Mr. Bill: To boldly tax where I promised to never tax before Nov. 3.

Uh, Houston? We have a problem here...

Uhura of Borg: "Assimilation frequencies have been established..."

Ultimate trust: Two cannibals having oral sex!

Umbilical Cord? Nah, that's a Baby Bungee!

Unable to locate Coffee: Operator Halted!

Unable to locate computer... Too many manuals on desk...

Unable to locate oxygen: Operator Deceased!

Unable to sleep with the weight of the load. --Course of Empire.

Unattended children will be sold as slaves!

Unauthorized System Access. User Terminated.

Unbreakable toys are useful for breaking other toys.

Under no circmstances should you allow a Vogon to read poetry at you.

Unemployed --Anita Job

Unfortunately we laugh at the distress of others.

Unhappily Blackadder, the Lord High Executioner is dead. --Melchett.

United We Command, Divided We Beg.

Unix is the answer, but only if you phrase the question very carefully.

Unless restrained, all governments devolve to tyranny.

Unpopular Bible Fact: Hatred of others is unChristian. -- 1 John 4.

Unpopular Bible Fact: He who hates, risks going to Hell. --Mt. 5:21-22.

Unpopular Bible Fact: Jesus associated with hated minorities.

Unpopular Bible Fact: Jesus spoke out most often against hypocrites.

Until Eve arrived, this was a man's world.

Until the stars fall, I think of you.

Unwritten laws can not be erased.

Urine: Opposite of "You're Out."

Use of this product will increase disorder in universe.

Use soft words, and hard arguments.

Use that forked tounge on me... No I didn't say speak it...

Use the Force, Luke.

Use the mouse Luke. --Obi-Wan Gates.

Use your MasterCard to pay your Visa bill.

Use your enemy's hand to catch a snake.

Used all your sick days? Call in dead!

Useless Invention: Battery powered battery charger.

Useless Invention: Brake oil.

Useless Invention: Ejector seats for helicopters.

Useless Invention: Frictionless Sandpaper.

Useless Invention: Hand-powered chain saw.

Useless Invention: Parachute that opens automatically, upon impact.

Useless Invention: Unsinkable submarine.

User error. Replace user and press any key to continue.

User to Unix: make love. Unix to User: make: don't know how to make love. Stop

Users: Keep them dry and don't feed them after midnight.

Uzi: the ultimate point-and-click interface!