ちょっと一杯[chottoippai] let's have a quick drink
ばつ一[batsuichi] being once divorced
一向[hitaburu] nothing but
サラダ一皿[saradahitosara] plate of salad

安全第一[anzendaiichi] safety first
一か八か[ichikabachika] sink or swim
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一つ一つ[hitotsuhitotsu] one-by-one

雨子[amago] land-locked variety of red-spotted masu trout (Oncorhynchus masou ishikawae)
御菓子[okashi] confections
お子さん[okosan] (someone else's) child
お子様[okosama] child (someone else's)
山梔子[kuchinashi] Cape jasmine (Gardenia jasminoides)

させ子[saseko] whore
梃子摺る[tekozuru] to have much trouble
螺子回し[nejimawashi] screwdriver
硝子[garasu] glass
獅子女[sufinkusu] sphinx

御出でになる[oideninaru] to be
御珍々[ochinchin] penis
御田[oden] oden
御鍋[onabe] pot
御負けに[omakeni] to make matters worse

御呪い[omajinai] good luck charm
御襁褓気触れ[omutsukabure] diaper rash
御目出度う御座います[omedetougozaimasu] congratulations
御握り[onigiri] rice ball (often triangular, sometimes with a filling and wrapped in nori)
御陰[okage] grace (of God)