The diamond shape you can see in between a girls legs from behind (usually girls with hot bodies). Best accentuated by sunshine through a summer dress.
Yo dawg, did you see Allysa's ass?! She's got a diamondgap yo!
The difference of subscribers between twoyoutube channels, usually in reference to the PewDiePie vs T-Series battle, indicating how many the lower channel is away from passing the higher channel.
"The SubGap is only three thousand now. Go subscribe to PewDiePie!"
The excessively wide space between a woman's breasts, indicating a poorly executed breast enlargement procedure. Ideal breast cleavage is minimal, so any woman showing off a pair of huge, spherical, gravity-defying boobs that have an inch or more of space between them arguably deserves a refund from her plastic surgeon.
That cougar was totally hitting on me, but I was too weirded out by her refund gap to take her seriously.
n.) A chaffing of the thighs primarily located on the upper region of the legs where the legs meet the torso. It is caused by friction from the rubbing together of fat peoples thighs.
Harry rubs a glob of vaseline on his taint every morning. Eventhough he feels like he shit himself for the first few hours of the day, at least he won't get chapped gap.