There are SO MANY!
Who can forget Helen's item numbers? My parents tell me they were a HUGE rage back then...and those songs are still loved. Yeh Mera Dil, mera naam chin chin chu, piya tu ab toh aaja, o haseena zulfon waali..
Madhuri had a plethora of them..ek do teen, dil dhak dhak karne laga, didi tera devar deewana, mera piya ghar aaya, humko aaj kal hai, ankhiaya milaon, chane ke khet mein, choli ke peeche, dhola re list goes on.
Sridevi had many as well: kaate nahi katte, hawa hawaii, nainon mein sapna, etc.
Salman: o o jaane jaana, tan tana tan tan tan tara, jeene ke hai chaar din, ud ud dabangg, love me love me mama says you love me, and many more.
SRK: Chaiyya Chaiyya was HUGE. Pity the movie flopped, but the songs were BRILLIANT. My mom was coming back from some trip when Chaiyya chaiyya had released...she said everywhere she went this song was playing. Baadhsah o baadhah earned him his nickname, jaadoo teri nazar, chamak challo is recent...dard-e-disco was very popular also, deewangi deewanagi, etc.
And who can forget the epic craze of Hrithik in ek pal ka jeena, idhar chala mein udhar chala, dhoom again?
Govinda's songs were A RAGE. Main toh raste se jaara tha, meri pant bhi sexy, hero no.1, sarkai lo khatiya...
I'll come back and edit more...aahh so many memories..