trunk
n.— «Michael administered a massage to South Australian strumpet Gianna Pattison and momentarily substituted his hand for his—ahem—member.…A young woman who believed her self to be the cherished object of a worshipful caress was, in fact, being publicly thwacked with a “trunk”—to use Michael’s own inflated parlance.» —“Big Brother” by Helen Razer The Age (Sydney, Australia) June 16, 2005. (source: Double-Tongued Dictionary)