precariously balenced toilet seat which falls down while having a piss and therfore must be held up manualy
by Joe Rodgers (cotk) May 08, 2003
a toilet seat that really annoyingly wont stay up when you are urinating, you can try to use on ehand to hold it but this can be messy, otherwise it will fall on you
person: i was in the toilet but it was a frickin knobchopper
by daibheaid October 14, 2005
A person who is ignorant and generally has no idea about anything.
He is a complete knob chopper
by Nodrama September 25, 2006