When a males penis, or foreign object goes from one cavity (vagina) to another one (Anus).
A male and a female having vaginal intercourse. The male then "Bridges the gap" (Bridging the gap) having his penis enter her anus. The result is usually death for the female.
When you struggle with something, and you wanna overcome that. Like you wanna pass the problems, bridging a problem (gap)
"No man, I gotta handle it my self, just bridging the gap".
The act of producing a turd of sufficient dimension to contact both sides of a toilet bowl simultaneously; with or without making contact with toilet water.
''I took the biggest crap of me life this morning. I even bridged the gap with one of those bad boys. Nothing fills a man with pride quite like bridging the gap!''
Lying your penis across someone's buttocks (NOT down the crack), and rubbing it against them.
Me - ever done your bitch in the ass?
You - nah, she won't let me. Closest I get is bridging the gap.