Having sex on a trampoline in front of others and possibly with them joining in.
Sally was trampoline Dogging last night in her backyard with Vince and with her mates and neighbours watching.
by Thomas Francis February 12, 2007
1 more definition
Being seen in Public with a fat (BBW)middle-aged woman and assumed to be having sex with her
Looks like Steve will be trampoline dogging this weekend
by Emma85 February 07, 2007