Oral arousal aids and aviation.
Way back in the golden days, or so one was told, cocaine had certain sexually stimulating and orgasmic delaying effects for both men and women.
It's probably not a good idea to continue that line of thread too far although it could be interestingly amusing to do so.
As a digression then: It was recently brought to my attention, by one who should know, that the UK CAA has a prohibition on acting as a flight crew member of thirty six hours after taking a Cialis pill- even 5 measly mgs and of twelve hours after ingesting a Viagra tablet. Not having heard of this restriction before I thought it might be of interest to some who might be either less naturally priapically stretched than of yesteryear or those who simply revel in the enjoyment of the excesses provided by a multitude of women.