Problo Numbing Deep Throat Spray Watermelon 1 fluid ounce Bottle from Little Genie. Blow your mans mind with the best oral sex of his life! Just a squirt or two of this numbing spray will allow you to give your best blow job by desensitizing your gag reflex, making it easier to take it longer and deeper. Pleasant new flavors make you kissable and the swallow sweet and delicious. Use Problo for more intense oral play. Lidocaine 5% active ingredient. Shake well before using. Categories: Sprays, Lubricants, Desensitizing Spray, Flavored, Oral Products, Health and Beauty Aids. 2023.