When your dick gets extra sensitive after blowing a load and then you have someone try to touch/tease/stroke it. You have to tell them to stop cause it hella tickles too much to continue.
Dude, I was curling my toes and grabbing the sheets last night. My girlfriend was trying to coax another load outta my balls but my dick was way too penisensitive.
by Watchinfool February 08, 2024

When you invite your male friend(s) to share your girlfriend for mfm threesome/spitroast/fuck and suck session(s), the guy becomes your extra significant other.
Dude, I enjoyed watching you fuck my girlfriend bare and get head from her. You wanna join us for another round and become our extrasig?
by Watchinfool February 20, 2025

When you've been watching your best bud fuck n baredick your girlfriend hard and you can tell he's about to cum, when he pulls out (to not get her pregnant) you take his dick in your mouth and swallow his huge load, to help your bro out.
Dude I was in loadmode last night when my bud was fucking my girlfriend. I cleaned him up after cumming and took all his spem and licked the rest of his load off his balls
by Watchinfool November 09, 2023

A potentially sticky situation where both you and your best bud are close and your mutual friends think you're both str8 because you have girlfriends, but you're actually surreptitiously meeting for gay/bi sex aka a brotein exchange. These hook-ups include alot of sucking each other off and swallowing each other's loads in addition to mutual foot worship.
When the girls thought we were spending the weekend at the shore, we were actually engaging in a brotein exchange at a motel down by the airport.
by Watchinfool September 20, 2023

To engage in an intense 69 session with a fellow male for (hopefully) long periods of time followed by swallowing each others loads.
"Dude, you up for another brotein exchange? I'm horny as fuck and my balls are full." "Same here bro. Horny as fuck too. I know you love the taste of my sperm. My parents aren't home so we can get together here."
by Watchinfool September 21, 2023

Bro ball bustin means sharing a girl with your actual brother or friends close enough to be considered bros. A mmf situation, the guys fuck the girl together, dp, spit roast or one dude fucks her while the other gets head.
One bro comes home and says to his brother, "Dude get ready. A girl is coming over while mom and dad are out, " he says while starting to take off his shirt and strip down. "Get the condoms, it's time for some bb bustin!
by Watchinfool December 22, 2023

When you start by laying back and relaxing with your hands behind your head while getting an intense pornstar blowjob. You then finish by getting a huge nut while grabbing the sheets, curling your toes, head thrown back with your mouth forming an o-shape.
Dude I was chillin then grabbin o's last night. It was sweetly intense. My girlfriend gave me some awesome head for my birthday then gulped down my sperm twice.
by Watchinfool September 29, 2023
