Peter Blegvad - Three Tenses Onanism lyrics

Frank sang a song began "Some guy clobbering a gong" And further "J. Arthur" (Rank) "Slang for wa*k" (Jack off) Then slack will tense And gong connect (To arms!) Hands called will hence Incline to commence Sun bra** arising Some guy lies A raft, as flat (Mast down) as that