Waving your arms around and talking total bollocks. Ideal for use when managers/advertising types/tv producers start spiralling out of control.
by Martin Peake May 24, 2005
Oh dear, there's no way in hell Joel's gonna get that girl. She seems mightily put off by his by his testiculating.
by McKECHN13 March 12, 2010
To emphasize one's words or actions by dramatically brandishing one's testicles in an animated fashion.
Phillip was frantically testiculating to the rest of the nudist colony, who did not see the honey badger slowly approach them from behind.
by Gustavo Jnr the 16th June 11, 2018