Call up Mp3lyrics.com.org, type the lyrics into the search box at the top and click the "lyrics search" button. Click either the "popularity" or "relevance" box to sort the results. Click the link provided to see full lyrics.
Call up Lyrster.com, type the lyric into the search box at the top of the page and hit the "find my song" button. Lyrster will return a list of songs containing those lyrics. For example, "be your weekend lover" will return "Purple Rain" by Leann Rimes, Etta James, Prince and Phish.
Go to Songlyrics.com. Type the lyrics into the search box on the right. If you remember a complete phrase, click the "phrase" button. If you remember scattered lyrics, click the "scattered words" button. Hit return and click the links to see complete lyrics.