When your wrist cramps after playing guitar or bass guitar for a long time becoming almost functionally useless. Typically occurs after playing fast (up tempo) music, such as death metal or thrash.
Drummer Dude: What happened to you during that last solo? You cut out.
Lead Guitar Man: The arpeggios killed me. I got wristlock and had to stop.

WARNING: Always warm up before playing!
by pseudonymous rex May 22, 2009
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Pretending to attempt a judo throw on your training partner, only to unleash a surprise handjob on him.
I was rolling with Jonny and he totally flying wristlocked me. Needless to say, was exhilarating.
by The Hobby December 5, 2012
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