HTF 

HTF can be used if referring to:

1.) How the fuck

2.) Happy Tree Friends

3.) Hard to find (Ebay users)

Or the not commonly used:

4.) Hand to forehead
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1 HTF did that happen?!

2 Lmao HTF is really funny but gory.

3 Wow that item is so HTF!

4 Oh my god, why did you even do that...HTF

HTF by DjAshu July 14, 2009

htf 

How the fuck.

HTF do you expect to pull that off?

htf by Linguica November 7, 2002

htf 

Abbreviation for 'How the Fuck'.

What?! HTF did that happen?

htf by Branislav J. June 13, 2008

HTF 

"Ha, that's funny." An alternate of LOL, which is used to distinguish something that is marginally funny from something that is actually worthy of laughing out loud.

DJL: "Why did the elephant eat the candle?"

ASJ: "Why?!"

DJL: "Because he wanted a light snack!"

ASJ: "HTF."

HTF by Meesh Capisci May 22, 2010

htf 

For Ebay users means "hard to find", abbreviation used to save space.

"RARE 1823 ROMAN LITHOGRAPH HTF ORIGINAL ANTIQUE PRINT"

htf by Zeb Khan October 13, 2008

HTF 

Abbreviation for Happy Tree Friends (A cartoon which always brutally kills the cute fuzzy animals involed)

That episode of HTF last night was so gory ;)

HTF by Flippydaslasher November 18, 2007

htf 

abbreviation for "hard to find."

this item is rare and htf.

htf by niik April 30, 2003