by s0ftg1rl420 February 18, 2021

Someone that votes for the person to that has less chance to win a competetion. Just for fun, personality, or equality/balance
Mike tyson vs someone random lame guy.
Guy1: hey. Mike tyson is a champion. Everyone knows that. Im going to vote for him.
Underdog:Im going to vote for the lame random guy.
Guy1: hey. Mike tyson is a champion. Everyone knows that. Im going to vote for him.
Underdog:Im going to vote for the lame random guy.
by TheTellerius August 15, 2016

In a thrown fight, the underdog was never really the underdog, the underdog was the team to beat (favored).
Anybody can call themself (selves) the underdog, just like anybody can call themself (selves) selfless to get support from people who wouldn't otherwise support them.
by Solid Mantis November 4, 2019

by William Ellam May 11, 2023

When someone (usually a male) hangs upside down while someone else does either one of the following given:
1) Gives you a blowjob
2) Gives you a handjob
3) Fists you. Usually associated with homosexuals.
OR
When a female hangs upside down and you insert your dick in her vagina.
1) Gives you a blowjob
2) Gives you a handjob
3) Fists you. Usually associated with homosexuals.
OR
When a female hangs upside down and you insert your dick in her vagina.
Guy 1," Get on the monkey bars and get into an underdog!"
Girl1 -"Orrr, You can get into an underdog and I can give you pleasure."
Guy 2 -"hey, can you get into an underdog?"
Guy 3 -"Sure."
Girl1 -"Orrr, You can get into an underdog and I can give you pleasure."
Guy 2 -"hey, can you get into an underdog?"
Guy 3 -"Sure."
by theguyinthecornerXX October 9, 2010

(A sexual act) taking place during Doggy Style, when the receiving party reaches from underneath to finger the other person.
by Cornblower19666 June 23, 2023

by biggerthanmycountry June 23, 2020
