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1.
To shart (A shit-fart) out of a vagina. This may come in the form of drops, spray, or diarrhea.
Man, last night Gail and I were going to town in the bed, and she up and shaqueeved up in my grill.

Dammit mom, I thought it was my period, but in fact I had a shaqueef!

by Emas Diez March 30, 2006
 
2.
A shaqueef is a combination of a Shart (shit while you fart) and a Queef (a vaginal fart).
Cheyenne just Shaqueefed all over Bella in Study Hall today.
by xcheyenne13x December 27, 2011