A less offensive synonym of bullshit.
It appeared in the britcom Black Books, series 1, episode 5 'The Big Lockout'.
Manny: Alright, what was the last film you went to see?
Bernard, unable to recall the name, describes the film's climax. Manny recognizes it.
Manny (incredulous): Ba! That was the last film you went to see - Planet of the Apes!?
Bernard: Yeah. Amazing effects, you know? You really believed monkeys could have meetings.
Manny: Yeah. And you've not been to the cinema since then?
Bernard: Na. It's all tossycock.
A word used in 'Black Books' to sound different from the well known wording, perhaps for a little bit of variety.
To me it's a load of old 'PoppyCock'.
"What the heck is that word (tossycock) they're using in 'Black Books'... it doesn't exist...it's a load of old 'Poppycock'!