bullocks exclamation 1noun 1 exclamation1 •(slang, euphemistic) Expression of frustration.“Oh, bullocks!” she exclaimed. “Well, no real harm done. I remember the numbers.” — 2001 noun[plural only]1 •(slang, euphemistic) Testicles.Traffic is very light and there I am, sweating my bullocks off and it seem, bike starting to seriously overheat, and rider bike combo isn't bloody heavy enough to set off the bloody trip wires. — 2000