Smaller must do a no limit dare of the biggers choice

Smaller must suck someone's cock and swallow the cum x times within 1 week.
x = size difference / 0.5 inches
So 1 inch smaller, means x=2, etc. Round x up.

Smaller must send the bigger eight dares. Bigger will pick two for himself and the smaller will complete the remaining six.

Smaller must serve as slave to winner for one week.

7 1/2 inches long my cock
 

7 1/2 inches. Is my penis length
Ya ya

Smallest has to have two hours corner time in just a pair of panties and a bra.

smaller one is getdare slave for the winner, means avatar, threads to post signature etc. (respecting limits)

Smaller must only cum in mouth for a week

im 6 inches whats this about

smaller one is getdare slave for the winner, means avatar, threads to post signature etc. (respecting limits)

smaller is toilet slave of bigger for a week

Smaller must come up with X dares, where X is the length of the larger's penis rounded up to the nearest inch.
Smaller must then PM those dares to larger.
Larger will pick Y dares to do, where Y is the difference in their length's rounded down.
Larger must do those dares and send a report to smaller.
Smaller must do the remaining dares and send a report to larger.

Example:
Larger is 5.8, smaller is 4.4.
Smaller must come up with 6 dares, larger must do 1 of them (5.8 - 4.4 = 1.4 ~= 1).
Smaller does the remaining 5.

Dares must be withing limits.

smaller can not touch his dick and balls for X days
X is the length of the larger's penis rounded up to the nearest inch.

Loser must do three dares from the bigger, one from likes/loves, one from dislikes, and one from limits.

Smaller has to be denied for week, edge 1d10 everyday, and winner can choose how loser have to cum ( ruin, Milovana tease, have to post in thread to get premision etc. )