Glossary Of Rugby Terms, Lingo & Slang This is a list of common rugby terms, lingo and jargon. # A. B. Ball Back C. Crash Ball D. Dump Tackle E. F. Flat Pass Fly-Half G. H. I. J. K. Knock-On L. M. N. O. P. Q. R. Ruck S. Scrum Scrum-Half Spear Tackle T. Touch Judge U. V. W. X. Y. Z.