The Mil-Spec Monkey Fun Sponge Patch tends to have a few interpretations, but originally its for those who suck the fun out of...well everything. Otherwise you can use it for yourself if you are said sucker.
Hook fastener sewn on the back
Size - 2.66" x 2.75"
WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.