Sarspasm 

When your brain spasms into lapses of stubborness and is unable to detect any form of sarcasm or joke.

RedCircle: I am having a sarspasm

Sarspasm by Anonymous March 19, 2005

Sarspasmic

When a spastic tries to be sarcastic, the result is a spasm.

Look hes trying to Sarspasmic!
Hes sarspasmicing again!

Sarspasmic by Adam February 9, 2005

sarsasm 

Sassy sarcasm
Someone who uses it.

That girl uses sarsasm so much.

sarsasm by JohnManners January 31, 2008