Definition of "a couple of" 
- (adjective) more than one but indefinitely small in number
Use "a couple of" in a sentence
- "He had been born Chester Quincy Deedes: that was the name on his birth certificate and his criminal record, a record that consisted mainly of minor credit card and insurance fraud, peripheral involvement in a pension scam, and a couple of DUIs."
- "I went back onto Main Street, bought a couple of newspapers and the latest issue of Rolling Stone, then headed into Jorgensen's and took a seat at the raised table by the window."
- "“Trawler spotted Jack Mercier's yacht at low revs a couple of miles out, heading into shore.”"