10). Pull off their weight belt. — Viking

9). Instead of letting the air out of their tires.... — Brent

8). Give them the old "pull my finger" line. — Kenny Daniels

7). Paint their oxygen tank with blood. — Gazzinoz

6). Tell them you're looking forward to buddy breathing. — Andy

5). Keep your foot on their head. — SteveInOz

4). Frequently remind him/her of your unusual talent to "make your own special fun bubbles" at will and, with a faint smile, ask him/her if the water suddenly feels a little warmer. — Art Lubinski

3). Yank a tube. Any tube. — Chickadee

2). Give them directions to the local pool. — Tracker

1). Chum and wait. — John Cooper