PDE (phosphodiesterase) inhibitors
EDs, Hard-On Drugs, Hard-Ons. Erectile drugs are known by their commercial names:
Sildenafil: Viagra, Revatio, Kamagra. Nicknames: Mr. Blue
Tadalafil: Cialis. Nicknames: Le Weekender, Weekender.
Vardenafil: Levitra
Avanafil: Stendra
Trail Mix, when taken with other stimulant drugs.