1. The odor of a sweaty yambag, reminiscent of a taco that has been sitting at room temperature for several days.
2. Scrotom odor.
3. A sweaty male undercarriage. Musicians, most notably drummers, experience sweaty crotches from playing. Removal of pants often smells like an abandoned taco after a gig
4. Hot balls.
Q: Hey, you want to go to that nudy bar after the gig?

A: I gotta get a shower first. I have some rancid tacobag going.
by JEUNT November 21, 2009
Get the tacobag mug.
Girl1: "im gonna tacobag you you asshole!"
Guy1: "go ahead..i mean please nooooo anything but that..."
by yelsom8 March 17, 2008
Get the tacobag mug.
The act of placing a vagina on someone's face while they're asleep/passed out. Teabagging with a vagina and not a nutsack
While Tim was in a drunk coma, Brii started tacobagging him after watching the other guys teabag him repeatedly.
by Fkin 'Merican August 4, 2008
Get the Tacobagging mug.
Omg that chic just 180 quickscoped him and tacobagged him!
by ac1dap3x April 8, 2015
Get the Tacobag mug.