First base = kissing, including open-mouth (or French) kissing. Second base = petting above the waist, including touching, feeling, and fondling the chest, breasts, and nipples.

What does the base in BASE jumping stand for?

Building, Antenna, Span, and Earth Lets kick off with a few fun, little-known BASE jumping facts for you, dear reader. BASE is capitalized because its an acronym. B.A.S.E. stands for Building, Antenna, Span, and Earth — the four “fixed objects” we jump from most often. BASE jumping has actually been around longer than skydiving!