The most invigorating form of exhaustion known to clothed humans. In this condition breathing is interrupted for 15-30 seconds when laughing uncontrollably. Untreated, it may lead to spontaneous flatulence and staining of undergarments.
I feel terrible, I told Bob a joke and he fell down, rolling around in a fit of Knee Slapnea, am I responsible for any injury?
by phidgety September 12, 2016
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Knee Slapnea • knee • knee deep • knee-grow • knee slapper • knee cap • knee knocker • Knee Job • Knee Fetish • knee trembler