Combination of twaddle and bollocks used when someone is speeking nonsence. Indeed the term may be considered to be a load of twallocks.
You really do talk a load of twallocks.
by Thermofish June 24, 2013
A mixture of TWAT and BOLLOCK usually used as an insult when people have performed an act of real stupidity.
Don't be such a TWALLOCK!
by SteGra January 10, 2010