English

Slurpee

From slurp + -ee.

Formed from slurp + -ee

Proto-West Germanic *slurp- ‘to sip, slurp’

Old Dutch *slurpan

Middle Dutch slurpen

English slurp

Today it means

noun A slushie; a partially-frozen drink made of small ice crystals flavored with syrup.

Language periods are conventional ranges, not dates for this word.