Optimus Saggs can refer to any girl with enormously droopy tits. So droopy after, you remove your 15 push-up bras it will sag and drag along the floor. It is said that it is simply excess skin with a little nipple on the end.
Guy: Hey Optimus Saggs
Girl: IM NOT SAGGY
Guy: Prove it then
Girl: NO
Guy: well i guess you're saggy then, cya optimus saggs.
by Mulz + Jizzbot October 31, 2010
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The moment when a female's bra straps form into the face and or head of the famous Autobot from the Transformers franchise, Optimus Prime when she wears a tight shirt.
Guy: "Dude, did you see her Optimus Prime?"
Dude: "Yeah, it was bulging out, everyone saw it."
Guy: "Do you ever think she'll know everyone was laughing at it?"
Dude: "No, girls never really know when they have an Optimus Prime."
by RanDominoX April 14, 2011
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Once just a normal everyday kind of guy. One day he was given the matrix of leadership from Optimus Prime and his life has never been the same. Optimus-JD fights for the rights of all pie loving beings everywhere as "Pie is the right of all sentient beings".
by JD September 02, 2003
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unloading on a slutty bitch's chest. a shot of cum to the chest.
when megatron kills optimus prime, OP dies after he takes one to the chest like a dirty slut.
by getgooglegoggles January 29, 2010
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A reference to your man hood or just another name for your penis.
Yo, girl come suck this optimus prime.

Guy: Hey do you like the Transformers?

Girl: Yeah

Guy: Awesome, cause I've got optimus prime in my pants ready to transform just for you.
by Curvy Contessa January 11, 2011
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