What is Pilin?
1.
to have an unusually small penis; to be an asshole; to be a pussy (not literally); any other use you can think of; a friendly insult :)
Avi, you're todo pilin, buey.
Rene, why do you have to be a pilin???
Avi, don't be such a pilin; what's the worst that could happen?
See
2.
Bovi-Oye Yoni!!!
Rene-Palaim, Palaim.
Avi-Bovi, callate tas todo pilin.