Slang: A person, usually male, who is 'special', particularly clumsy while multi-tasking (ie talking and walking down stairs). Would benefit with the addition of protective padding, hence the name 'Bumpers'.
1. Group of sexually desirable people. Usually good looking and raunchy.
2. Group of good looking females, usually with ample breasts.
3. Ample and aesthetic breasts. Juggs. Hooters.
1. I got invited to the bumpers party at my school. Whoo-weeee!
2. Dude! look at those bumpers sitting there. Think we should make a move?
3. She removed her bra, man, and one look at those bumpers on her and i almost dropped.
Riding bumpers is when you follow someone in a vehicle too closely for a long period of time. Often used as an intimidation tactic or in retaliation for some real or perceived driving impoliteness.