Got together outside popular university dance (6)
I believe the answer is:
minuet
'dance' is the definition.
(minuet is a kind of dance)
'got together outside popular university' is the wordplay.
'got together' becomes 'met' ('meet' can be a synonym of 'get together').
'outside' is an insertion indicator.
'popular' becomes 'in'.
'university' becomes 'u'.
'in'+'u'='inu'
'met' going around 'inu' is 'MINUET'.
(Other definitions for minuet that I've seen before include "Slow, graceful dance" , "Stately C 18 dance" , "Stately old dance, takes only a minute" , "Gracious old dance, just takes a minute" , "Stately court dance" .)