1. (Aus./N.Z.) the buttocks.
|Aussie Eng. (1966) 9: Female ‘acres’ are generally referred to as ‘rears’ [...] one who is ‘six axe handles across the acre’ should [...] go on a diet.|
|Outcasts of Foolgarah (1975) 24: Wiping between his toes and falling on his acre.|
|Probert Encyc. [Internet] Acre is slang for buttock.|
|Reed Dict. of N.Z. Sl.|
2. the testicles [physical proximity to sense 1].
|Probert Encyc. [Internet] Acre is slang for testicle.|