Top Definition
Rupsig, Dutch for 'Caterpillary' is the term used to describe aroused behaviour of humans of both male and female gender.
Die chicks zijn weer mega rupsig. Ze rupsen tegen me aan.

Those chicks are mega caterpillary. They're caterpillaring up against me.

Ik ben echt rupsig vandaag, ik weet niet wat ik heb.

I'm really caterpillary today, I don't know what's wrong with me.
by Redial December 18, 2008

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