To use a UAV jammer in Call of Duty 4 and hide somewhere among the map that one is in a game at. This is done the best in a team tactical with 2 other friends where the match is a "team deathmatch." It is used to make the other team mad and is funny when one has the eavesdrop perk also equipped.
Chris: "I'm so good at rofling, they can't even find me. That's what's up."
mnky: "rofl. haha me too. rofling is so fun. oh my goodness he walked right by me."