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6.
A derogatory term used when someone finds themselves in an unfortunate situation. Often paired with the words Holy and Fucking.
Dave: look what happened when i dipped my cock in sulphuric acid.

Bob: HOLY FUCKING SHIT FLAPS!
by Gerbert_Miller January 12, 2009
 
1.
a pretty self explanitary and bizarre word i heard on david firth's fat-pie.com this guy is a genius
ur such a fucking SHIT FLAP!
by rob April 26, 2005
 
2.
A metal flap installed at the bottom of the bowl of a chemical or pit toilet, which blocks out unwanted odors. The flap is hinged and sprung in such a way as to only open when a certain amount of weight is applied to it.

A common accessory for this device is the stoker - a small stick which is used to manually operate the flap, should it for some reason fail to open.
"I say, Thomas, would you be so kind as to pass over a stoker, I have produced a rather large stool which has become lodged in the shit flap".
by Eliott Remington IV March 02, 2006
 
3.
Perhaps the most entertaining word in the universe. Used in David Firth's short animation "The Child That Smelt Funny".
BUGGER.

SHIT FLAP.

ROGER ME!

BITCH COCK.

-As taken from David Firth's vastly amusing "The Child That Smelt Funny"
by DJ Silly Hat March 04, 2008
 
4.
The matting of poo and hair around the anus due to lack of proper wiping after a bowel movement.
Man drank so much beer last night that I woke up this morning and took a shit that gave me a huge shitflap!
by Hangus77 May 24, 2005
 
5.
arse hole with over defined lips ( ie andrew pickles aka c.u.n.t)
shut it shit flaps
by andy pickles October 18, 2008
 
7.
Someone who will not stop talking bullshit and lies.
When he drinks he talks non stop bullship so i think he is a shit flap.
by alehandro camerez March 09, 2008