Breakdown of Me lo pasé súper en tu fiesta.
en
in / on / by (means of transport) / about (after pensar)
tu
your (singular)
la fiesta
the party
me
to me / myself (reflexive) / me (direct object)
lo
it / him (m)
pasar
to spend
súper
really well, great (colloquial, as in 'we had a great time')
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