Definition from Wiktionary, the free dictionary
- The grandfather said somewhat frustratedly that, he, who had only received primary education, had been going to school with his grandson for a year. Schooling had made him somehow gradually gain some knowledge. Being deskmate with his grandson was the only choice for him and it made him feel embarrassed at times.
- (vulgar, pejorative) a contemptible person; motherfucker, arsehole
- Sun Tzu, an ancient Chinese military strategist