Mushroom sauce 

n. Ejaculate, semen, cum\

Dude, I fuckin' gave her an extra helping of mushroom sauce on her face.

Mushroom sauce by Mikey February 16, 2004

Mushroom Sauce 

An extreme level of beef is called mushroom sauce

Amal and bailea have mushroom sauce

Mushroom Sauce by Dj lozza July 5, 2017

Beef Tips with Mushroom Sauce

When you drop a Cleveland Steamer on your significant other's chest, and she wakes up in the middle of the night, sees it, and vomits on it.

"Oh my God, dude, I Cleveland Steamered my woman last night, and she suddenly woke up, and made some Beef Tips with Mushroom Sauce. Fucked up, man, seriously."

Beef Tips with Mushroom Sauce by Rabbit Man Bear April 25, 2009

Mushroom Tip Sauce 

Semen. The penis has a mushroom look to it; the sauce in this context is the semen that is ejeculated

That bitch was giving me head and when I came, she swallowed my mushroom tip sauce.

Mushroom Tip Sauce by ESA-Man June 29, 2009