1. [late 18C+] (also ballyx, bollax) testicles.
2. [late 18C–early 19C] a parson.
3. [1910s+] (also bollixing) rubbish, nonsense [? developed f. sense 1 on the premise that sermonizing is, de facto, nonsense].
4. [1910s+] (also ballicks) a fool, a general term of abuse; one who is performing or talking ballocks (cf. ballock n. (2)).
5. [1920s+] a person, often used affectionately.
6. [1930s+] (orig. Irish) an unpleasant person; esp. as (right) old bollix.
7. [1940s+] a mess.
8. [1980s+] courage, vigour.
9. [1990s+] used as an intensifier in phrs.
10. [1980s+] used as a direct, pej. term of address.
11. constr. with the, something superlative.
12. see dog’s ballocks n.
[1950s] any overbearingly unpleasant person or circumstance.
[20C+] a bow-legged man.
[1950s] a self-important man.
1. [1990s+] to make the utmost effort.
2. to bet heavily; to lose one’s money.
[early 19C] a phr. used to describe a male fool.
[20C+] to be deserving of praise, commendation, approval by one’s fellows; can feasibly be used of a woman.
see have someone/something by the balls under balls n.
[1920s+] a general intensifier, usu. negating the previous statement.
[1990s+] (Irish) to beat severely.
[1990s+] (Irish) not care in any way.
[1990s+] a dismissive excl.