push it

The slang sense referring to sexual intercourse was inspired by "Push It", a Salt-n-Pepa song of the 1980s. The song is ostensibly only about dancing but clearly also implies sex.

• "You're really pushing it if you expect them to keep putting up with your B.S."
• "We were really pushing it when we kept on driving even though the fuel gauge was near empty."
• ""No hurry, give me time"—"don't push it"—"wait"—"do nothing"—"the status quo"—all these various phrases expressed Lord Southend's earnest and re-iterated advice.""
• "This season, Johnson's back spasms returned after five games and he underwent surgery again. . . . "If it comes around well, I might be able to play. I'm not going to push it.""
• "[V]arious physicians in the U.S. have been quoted as saying that coming back this quickly from his particular injury is pushing it."
• ""Sometimes she lets me touch her, just the breasts you see, and that's fine, I don't push it.""

• push one's luck
• push the envelope