Freebase(0.00 / 0 votes)Rate this definition: Thistle. Thistle is the common name of a group of flowering plants characterised by leaves with sharp prickles on the margins, mostly in the family Asteraceae. Prickles often occur all over the plant â on surfaces such as those of the stem and flat parts of leaves.
Men's Health. Shock treatment may improve erectile dysfunction. An experimental therapy known as low-intensity shock wave treatment might improve erectile dysfunction, particularly for men with only mild to moderate sexual difficulties, a research review suggests.
Erectile dysfunction, or ED, can be a total inability to achieve erection, an inconsistent ability to do so, or a tendency to sustain only brief erections. Erectile dysfunction with very little ability to maintain an erection and complete intercourse) increased their score to a mean of 2.