I can laugh at this because I did something similar. I forgot my glasses and put my wife's hair conditioner on the toothbrush. It tasted bloody foul, but boy did my teeth shine!
Delivery room Faux Pas by this truly. I worked in the oilfield at the time and had been up for 2 days, just got home showered and time to go to the hospital. 12 hours later wife was delivering daughter number two, doctor yells stop pushing (cord around child's neck) wife says, maybe yells, I can't it hurts. Mostly asleep me says shut up, it doesn't hurt that much. Whoops, pins dropping in the room. Never did live that down. Ex-wife now 20 years later.