I was randomly going from link to link on Wikipedia and I thought this was pretty funny First base is commonly understood to be French kissing, but can also mean any mouth-to-mouth kissing, or to an established romantic relationship in general. Second base usually refers to fondling or groping, especially of the breasts, and possibly stimulation of the genitals from outside of the clothing. Third base means oral sex, fingering or giving a handjob. Scoring a Run, Hitting a Home Run (or "scoring", "going all the way", "coming home", "beyond bases" etc.) is sexual intercourse Fifth Base or "scoring in the dugout" refers to anal intercourse. Striking Out is often used to describe rejection and sexual frustration. Pitcher and Catcher are used to describe the participants in male homosexual anal intercourse. Switch Hitter refers to bisexuals, while a "switch" may refer to someone who takes both a "top" or "bottom" role in domination play. Grand Slam is used to refer to a pregnancy resulting from that sexual encounter. Balk refers to premature ejaculation A night game refers to necrophilia.<sup class="noprint Template-Fact"></sup> A no hitter refers to abstinence. A designated hitter refers to a go-to casual sexual partner. A ninth inning refers to a sexual encounter with the elderly. Bat Boy refers to someone who has never done anything sexual with a partner and/or someone who frequently masturbates. Walk refers to getting to first base with one who is sexually promiscuous. Batting Gloves are condoms or other contraceptives. Sacrifice Fly is a male getting vasectomy. Sacrifice Bunt is a woman getting her tubes tied or hysterectomy. Pinch Hitter refers to having an affair. Pinch Runner refers to going to the sperm bank to get pregnant. Double Play refers to a three-some. Triple Play refers to an orgy. Ground Rule Double refers to a man being flashed by a woman or vice versa. Infield Fly refers to accidentally having sex with a woman's inner thigh. Stealing Home refers to rape. A Bunt refers to masturbation. Minor League refers to people under 18. Rain Delay refers to parents/roomate returning home unexpectedly. Inside the park home run refers to oral sex. Relief pitcher refers to a vibrator or dildo. On Deck refers to having plans for a date. Error refers to a condom breaking during sex.