From Longman Dictionary of Contemporary Englishoceans of somethingoceans of somethinginformalLOT/LARGE NUMBER OR AMOUNT a lot of something, especially a liquid oceans of champagne → ocean
Examples from the Corpus
oceans of something• oceans of collected data• Lunch and oceans of bubbly will be served here in the vaulted chalk cellars.• I dolled myself up after the bath. Oceans of Mitsouko.• You stayed up all night, you ate, you drank, you stayed thin and you had oceans of energy.• Lucy's body shuddered, oceans of sweat bound them, tide-tossed, tempest-tossed, redeemed. 