What does the abbreviation f/u mean?

[korme]

i dont know without context, what is the whole message?

[rkmsuf]

follow up

[korme]

TIMESTAMP BUG IS BACK :(

[rkmsuf]

Threadsteal(tm)!

[Ramzavail]

follow up seems to make sense in the sentence...thanks.

[Ramzavail]

Somebody just emailed me that. f/u

And I have no idea what it stands for.

fed up?

f-you?

what?

who knows?

[bbor]

Fondle Uranus

[SirFozzie]

Fudge Usually?

[Fonzie]

Fonzie's Underpants

[Franklinnoble]

Flag Underpants

http://www.noblebrown.com/images/bigmanphoto.jpeg